stratigraphy-upper indus basin

60
SALT RANGE FORMATION SYNONAMY WYNNE (1878): Saline Series GEE (1945): Punjab Saline Series ASRARULLAH (1967): SALT RANGE FORMATION TYPE LOCALITY Khewra gorge District Jhelum ARIEL EXTENSION CIS & TRANS Indus Range (in general) Sargodha Highs & Sulaiman Foredeep DEPOSITIONAL ENVIRONMENT Evaporitic sediments placed in arid condition, Clastic sediments deposited in oxidizing environment. LITHOLOGY GYPSIFEROUS CLAYSTONE WITH SALT (in general) SAHIWAL MARL MEMBER (upper): Red marl beds with gypsum, dolomite beds & Khewrite, BHANDAR KAS GYPSUM MEMBER (middle): Massive gypsum with dolomite & marl, BILLIANWALA SALT MARL MEMBER (lower): Ferrugiuous / gypsiferous marl with thick salt seams. THICKNESS +800 meters at type locality CONTACT Overlain Khewra sandstone is CONFORMABLE AGE & FOSSIL

Upload: harishaleem

Post on 05-Dec-2015

53 views

Category:

Documents


3 download

DESCRIPTION

Stratigraphy-Upper Indus Basin

TRANSCRIPT

SALT RANGE FORMATION

SYNONAMY

WYNNE (1878): Saline Series GEE (1945): Punjab Saline Series ASRARULLAH (1967): SALT RANGE FORMATION

TYPE LOCALITY Khewra gorge District Jhelum

ARIEL EXTENSION CIS & TRANS Indus Range (in general)Sargodha Highs & Sulaiman Foredeep

DEPOSITIONAL ENVIRONMENT

Evaporitic sediments placed in arid condition, Clastic sediments deposited in oxidizing environment.

LITHOLOGY GYPSIFEROUS CLAYSTONE WITH SALT (in general)

SAHIWAL MARL MEMBER (upper): Red marl beds with gypsum, dolomite beds & Khewrite,

BHANDAR KAS GYPSUM MEMBER (middle): Massive gypsum with dolomite & marl,

BILLIANWALA SALT MARL MEMBER (lower): Ferrugiuous / gypsiferous marl with thick salt seams.

THICKNESS +800 meters at type locality

CONTACT Overlain Khewra sandstone is CONFORMABLE

AGE & FOSSIL

No fossil is reported,

Stratigraphic position; formation lies in between fossilferous Cambrian Khewra sandstone & Pre-cambrian metamorphic basement rock.

JHELUM GROUP

KHEWRA SANDSTONE

SYNONAMY

WYNNE (1878): Purple Sandstone Series, NOETLING (1894): Khewra Group, FATMI (1973): KHEWRA SANDSTONE

TYPE LOCALITY Khewra gorge District Jhelum

ARIEL EXTENSION CIS & TRANS Indus Range (in general),Sulaiman foredeep & Punjab plain.

DEPOSITIONAL ENVIRONMENT Marine condition

LITHOLOGY SANDSTONE WITH SHALE (in general)

Purple to brown, fine grained, thick to massive bedded sandstone and sedimentary feature (ripple marks, mud cracks etc.) with red flaggy shale.

THICKNESS +150 meters at type locality

CONTACT

Overlain Kussuk formation is CONFORMABLE,

Underlain Salt Range formation is CONFORMABLE.

AGE & FOSSIL

Trilobite trail,

Lower Cambrian.

KUSSAK FORMATION

SYNONAMY

WYNNE (1878): Obolus Beds, WAAGEN (1885): Neobolus Beds, NOETLING (1894): Kussuk Group, STRATIGRAPHIC COMMITTEE OF PAKISTAN (1977):

KUSSAK FORMATION

TYPE LOCALITY Kussak Fort District Jhelum

ARIEL EXTENSION CIS & TRANS Indus Range (in general)& Punjab plain.

DEPOSITIONAL ENVIRONMENT

LITHOLOGY SHALE WITH SANDSTONE (in general)

SANDSTONE: Grayish-green, glauconitic (micaceous),

SHALE: Micaceous,

Grit & conglomerate of meta-igneous origin in sandy matrix with dolomite, gypsum, gilsonite (asphaltic shale) at base ,

THICKNESS +70 meters at type locality

CONTACT

Overlain Jutana formation is CONFORMABLE,

Underlain Khewra SANDSTONE is CONFORMABLE.

AGE & FOSSIL

Brachiopod,

Early Cambrian.

JUTANA FORMATION

SYNONAMY

FLEMING (1853): Mshnrdisn Sandstone, NOETLING (1894): Jutana Stage, STRATIGRAPHIC COMMITTEE OF PAKISTAN (1977):

JUTANA FORMATION

TYPE LOCALITY Jutana village District Jhelum

ARIEL EXTENSION CIS & TRANS Indus Range (in general)& Punjab plain.

DEPOSITIONAL ENVIRONMENT

LITHOLOGY SANDY DOLOMITE (in general)

Thick to massive bedded, bracciated, sandy dolomite & dolomitic sandstone with shale intercalation.

THICKNESS +70 meters at type locality

CONTACT

Overlain Baghanwala formation is CONFORMABLE,

Underlain Kussak formation is CONFORMABLE.

AGE & FOSSIL

Brachiopod, Gastropods & Trilobites,

Early to middle Cambrian.

BAGHANWALA FORMATION

SYNONAMY

WYNNE (1878): Pseudomorph Salt Crystal Zone, NOETLING (1894): Baghanwala Group, HOLLAND (1926): Salt Pseudomorph Beds, PASCOE (1959): Baghanwala Stage, STRATIGRAPHIC COMMITTEE OF PAKISTAN (1977):

BAGHANWALA FORMATION

TYPE LOCALITY Baghanwala District Jhelum

ARIEL EXTENSION CIS & TRANS Indus Range (in general)& Punjab plain.

DEPOSITIONAL ENVIRONMENT Arid lagoon condition

LITHOLOGY SHALE WITH SANDSTONE (in general)

SHALE: Reddish brown,

SANDSTONE: Platy & flaggy with sedimentary features (ripple marks, mud crakes & salt pseudomorphs).

THICKNESS +100 meters at type locality

CONTACT

Overlain Tobra formation is UNCONFORMABLE,

Underlain Jutana formation is CONFORMABLE.

AGE & FOSSIL

Trace fossils,

Middle Cambrian.

NILAWAHAN GROUP

TOBRA FORMATION

SYNONAMY

NOETLING (1901): Talchir Boulder, PASCOE (1959): Talchir Stage, TEICHERT (1967): Salt Range Boulder Bed, STRATIGRAPHIC COMMITTEE OF PAKISTAN (1977):

TOBRA FORMATION.

TYPE LOCALITY Tobra village District Jhelum

ARIEL EXTENSION CIS & TRANS Indus Range (in general) & Sulaiman foredeep.

DEPOSITIONAL ENVIRONMENT Fluvial - glacial condition

LITHOLOGY POLYMICT CONGLOMERATES (in general)

Eastern Salt Range: Tillitic facies (polished, striated rock fragment of igneous, metamorphic & sedimentary origin) with marine sandstone,

Central Salt Range: Fresh water facies consisting of siltstone & shale,

Western Salt Range: Clastic sediments,

THICKNESS Maximum 130 meters

CONTACT

Overlain Warchha sandstone is CONFORMABLE,

Underlain Cambrian sequence is UNCONFORMABLE.

AGE & FOSSIL

Bivalves, Osracods, Pollen & Spores.

Early Permian.

DANDOT FORMATION

SYNONAMY

WYNNE (1878): Olive Series, WAAGEN (1879): Speckled Sandstone, NOETLING (1901): Dandot Group, STRATIGRAPHIC COMMITTEE OF PAKISTAN (1977):

DANDOT FORMATION

TYPE LOCALITY Dandot District Jhelum

ARIEL EXTENSION CIS Indus Range

DEPOSITIONAL ENVIRONMENT Shallow marine condition

LITHOLOGY SHALE WITH SANDSTONE (in general)

Eastern Salt Range: Greenish grey shale, siltstone with intercalated sandstone,

Central Salt Range: Carbonaceous shale and cross-bedded sandstone.

THICKNESS Maximum 50 meters

CONTACT

Overlain Warchaa sandstone is CONFORMABLE,

Underlain Tobra formation is GRADATIONAL.

AGE & FOSSIL

Lamellibranchiatra, Brachiopods, Gastropods etc.,

Early Permian.

WARCHHA SANDSTONE

SYNONAMY

WAAGEN (1881): Middle Speckled Sandstone, NOETLING (1901): Warchha Group, HUSSAIN (1967): WARCHHA SANDSTONE

TYPE LOCALITY Warchha gorge District Jhelum

DEPOSITIONAL ENVIRONMENT Fluvial condition

ARIEL EXTENSION CIS & TRANS Indus Range (in general)

LITHOLOGY SANDSTONE WITH CONGLOMERATE & SHALE (in general)

Sandstone: Thick to massive bedded, reddish brown, cross-bedded, medium to coarse grained & arkosic.

Conglomerate: Angular to sub-angular pebble of meta-igneous origin,

Shale: Dark-grey to brownish grey,

Lignitic grade coal beds are developed at the base of formation.

THICKNESS Maximum 180 meters

CONTACT

Overlain Sardhai formation is TRANSITIONAL,

Underlain Tobra / Dandot formation is CONFORMABLE.

AGE & FOSSIL

Unfossiliferous,

Early Permian.

SARDHAI FORMATION

SYNONAMY

WYNNE (1878): Lavender Clay, NOETLING (1901): Upper Warchha Group, PASCOE (1959): Lavender Clay Stage, GEE (1964): SARDHAI FORMATION

TYPE LOCALITY Sardhai gorge District Jhelum

DEPOSITIONAL ENVIRONMENT Estuarine shelf marine condition

ARIEL EXTENSION CIS & TRANS Indus Range

LITHOLOGY CLAYSTONE (in general)

Bluish (presence of chalcopyrite) to greenish grey claystone with minor sandstone, siltstone, carbonaceous shale, gypsum & chart.

THICKNESS 42 meters at type locality

CONTACT

Overlain Amb formation is CONFORMABLE,

Underlain Warchha sandstone is TRANSITIONAL.

AGE & FOSSIL

Plant remains, fish scales, bryozans, brachiopods,

Early Permian.

ZALUCH GROUP

AMB FORMATION

SYNONAMY

WAAGEN (1891): Amb Sandstone, TEICHERT (1966): AMB FORMATION

TYPE LOCALITY Amb village District Khushab

ARIEL EXTENSION CIS & TRANS Indus Range

DEPOSITIONAL ENVIRONMENT Estuarine shelf marine condition

LITHOLOGY SANDSTONE, LIMESTONE & SHALE (in general)

UPPER MEMBER: Sandstone with blackish shale

MIDDLE MEMBER: Sandy limestone, calcareous sandstone and silty beds.

LOWER MEMBER: Terrigenous shale & sandstone

THICKNESS 80 meters at type locality

CONTACT

Overlain Wargal limestone is CONFORMABLE,

Underlain Sardhai formation is CONFORMABLE.

AGE & FOSSIL

Foraminifera, brachiopods, gastropods, ostracods & floral remains (pollens & spores),

Late early Permian.

WARGAL LIMESTONE

SYNONAMY

WAAGEN (1879): Middle Products Limestone NOETLING (1901): Wirgal Group, TEICHERT (1966): WARGAL LIMESTONE

TYPE LOCALITY Wargal Village District Khushab

ARIEL EXTENSION CIS & TRANS Indus Range

DEPOSITIONAL ENVIRONMENT Shallow to deep marine condition

LITHOLOGY LIMESTONE, DOLOMITE & SHALE (in general)

LIMESTONE: Grey, medium to massively bedded, occasionally sandy

DOLOMITE: Greyish, massively bedded, brecciaed with chert nodules and shale.

THICKNESS Maximum 180 meters

CONTACT

Overlain Chhidru formation is TRANSITIONAL,

Underlain Amb formation is CONFORMABLE.

AGE & FOSSIL

Brachiopod, gastropod, ammonites, coral, sponges, foraminifera, ostracods, conodonts, fish remains, algae & spores,

Late Permian.

CHHIDRU FORMATION

SYNONAMY

WAAGEN (1891): Chhidru Beds, NOETLING (1901): Chhidru Group, DUNBAR (1933): CHHIDRU FORMATION.

TYPE LOCALITY Chhidru nala District Khushab

ARIEL EXTENSION CIS & TRANS Indus Range

DEPOSITIONAL ENVIRONMENT Estuarine shelf marine condition

LITHOLOGY SANDSTONE, LIMESTONE & SHALE (in general)

SANDSTONE: Clayey, calcareous, thick to massively bedded,

LIMESTONE: Grey, sandy,

SHALE: Yellowish grey, phosphatic nodules, thinly bedded.

THICKNESS Maximum 80 meters

CONTACT

Overlain Mainwali formation is PARACONFORMITY,

Underlain Wargal limestone is TRANSITIONAL.

AGE & FOSSIL

Brachiopods, gastropods, ammonoids, conodonts etc.

Late Permian.

MUSAKHEL GROUP

MIANWALI FORMATION

SYNONAMY

GEE (1959): Mianwali Series, KUMMEL (1966): MIANWALI FORMATION.

TYPE LOCALITY Zaluch nala District Mianwali

ARIEL EXTENSION Trans Indus Range

DEPOSITIONAL ENVIRONMENT Estuarine shelf marine condition

LITHOLOGY

NARMIA MEMBER (upper): Consist of fragmented limestone occasionally sandy, with Greyish black shale, sandstone & dolomite.

MITTIWALI MEMBER (middle): Grey, fine grained, non-glauconitic limestone with shale (occasionally micaceous) and sandstone,

KATHWAI MEMBER (lower): Crystalline dolomite with glauconitic limestone.

Presence of some Permian period ammonites’ species in dolomite beds led to Permo-Triassic age controversy in upper Indus basin.

CONTACT

Overlain Tredian formation is CONFORMABLE,

Underlain Chhidru formation is PARACONFORMABLE.

AGE & FOSSIL

Brachiopods, ostracodes, ammonites, conodonts, fish, algae etc.

Early Triassic.

TERDIAN FORMATION

SYNONAMY

GEE (1945): Kingriali Sandstone, KUMMEL (1966): TREDIAN FORMATION.

TYPE LOCALITY Tredian hills District Mianwali

ARIEL EXTENSION Trans Indus Range.

DEPOSITIONAL ENVIRONMENT Non-marine condition

LITHOLOGY SANDSTONE (in general)

KHATHIARA MEMBER (upper): Massive to thick bedded whitish sandstone with dolomite.

LANDA MEMBER (lower): Sandstone is reddish grey to greenish grey, thin to thickly bedded, with ripple marks with minor shale.

THICKNESS Maximum 59 meters

CONTACT

Overlain Kingriali formation is GRADATIONAL,

Underlain Mianwali formation is CONFORMABLE.

AGE & FOSSIL

Spores, pollens and plants fragments etc.

Middle Triassic.

KINGRIALI FORMATION

SYNONAMY

GEE (1945): Kingriali Sandstone, KUMMEL (1966): TREDIAN FORMATION.

TYPE LOCALITY Kingriali peak District Mianwali

ARIEL EXTENSION Trans Indus Range (in general), Kalachitta Range & southern Hazara

DEPOSITIONAL ENVIRONMENT Non-marine condition

LITHOLOGY DOLOMITE (in general)

Grayish brown, thin to massively bedded, fine to coarse grained dolomite with dolomatic limestone, dolomatic shale and marl.

THICKNESS Maximum 106 meters

CONTACT

Overlain Datta formation is DISCONFORMABLE,

Underlain Mianwali / Tredian formation is GRADATIONAL.

AGE & FOSSIL

Brachiopods, bivalves, foraminifera, conodonts etc.

Late Triassic.

SURGHAR GROUP

DATTA FORMATION

SYNONAMY

MIDDLEMISS (1896): Kioto Limestone, DAVIES (1930): Samana Beds, GEE (1945): Variegated Stage, DANILCHIK (1967): DATTA FORMATION.

TYPE LOCALITY Datta nala District D. I. Khan

ARIEL EXTENSION Trans Indus Range (in general), Kalachitta Range, southern Hazara & northern Sulaiman Range

DEPOSITIONAL ENVIRONMENT Estuarine shelf marine condition

LITHOLOGY SANDSTONE WITH SHALE (in general)

Variegated color sandstone with shale, siltstone, mudstone and fireclay.

THICKNESS 212 meters at type locality

CONTACT

Overlain Shinawari formation is GRADATIONAL,

Underlain Kingriali formation is DISCONFORMABLE.

AGE & FOSSIL

Spores, fragments of wood etc.

Early Jurassic.

SHINAWARI FORMATION

SYNONAMY

DAVIES (1930): Lowest Samana Beds, COTTER (1933): Lower Kioto Limestone, FATMI (1966): SHINAWARI FORMATION.

TYPE LOCALITY Shinawari village District Karrak.

ARIEL EXTENSION Trans Indus Range (in general), Kalachitta Range & southern Hazara.

DEPOSITIONAL ENVIRONMENT Transgression shallow marine condition

LITHOLOGY LIMESTONE, SHALE & SANDSTONE (in general)

Grayish brown, thin to medium bedded, sandy oolitic limestone with nodular marl, grayish shale & thin to thickly bedded quartzose-ferruginous-calcareous sandstone.

THICKNESS 400 meters at type locality

CONTACT

Overlain Samana Suk formation is GRADATIONAL,

Underlain Datta formation is GRADATIONAL.

AGE & FOSSIL

Brachiopods, corals, gastropods etc.

Early to middle Jurassic.

SAMANA SUK FORMATION

SYNONAMY

DAVIES (1930): Samana Suk Limestone, COTTER (1933): Upper Kioto Limestone, FATMI (1977): SAMANA SUK FORMATION.

TYPE LOCALITY Samana peak Hangu District

ARIEL EXTENSION Trans Indus Range (in general), Kalachitta Range, southern Hazara & Northen Sulaiman Range

DEPOSITIONAL ENVIRONMENT Shallow marine condition

LITHOLOGY LIMESTONE WITH MARL (in general)

Grayish, medium to thickly bedded, oolitic limestone with dolomatic limestone, marl and calcareous shale.

THICKNESS 186 meters at type locality

CONTACT

Overlain Chichali formation is DISCONFORMABLE,

Underlain Shinawari formation is GRADATIONAL.

AGE & FOSSIL

Brachiopods, ammonites, bivalves, belemnite etc.

Middle Jurassic.

CHICHALI FORMATION

SYNONAMY

SPATH (1938): Belemnite Beds, GEE (1945): Belemnite Beds, DANILCHIK (1961): CHICHALI FORMATION.

TYPE LOCALITY Chichali pass District Karrak

ARIEL EXTENSION Trans Indus Range (in general), Kalachitta Range & southern Hazara.

DEPOSITIONAL ENVIRONMENT Lagoon condition

LITHOLOGY SANDSTONE & SHALE (in general)

SANDSTNE: Greenish grey to brown, glauconitic,

SHALE: Greyish, sandy / silty, occasionally calcareous / phosphoric nodules, glauconitic.

Some low grade coal & laterite also found.

THICKNESS Maximum 70 meters

CONTACT

Overlain Lumshiwal formation is GRADATIONAL,

Underlain Samana Suk formation is DISCONFORMABLE.

AGE & FOSSIL

Ammonites, bivalve etc.

Late Jurassic.

LUMSHIWAL FORMATION

SYNONAMY

MIDDLEMISS (1896): Giurnal Sandstone,

DAVIES (1930): Main Sandstone Series,

GEE (1945): Lumshiwal Sandstone,

STRATIGRAPHIC COMMITTEE OF PAKISTAN (1977): LUMSHIWAL FORMATION.

TYPE LOCALITY Lumshiwal nala District Mianwali

ARIEL EXTENSION Trans Indus Range (in general), Kalachitta Range & southern Hazara.

DEPOSITIONAL ENVIRONMENT Shelf marine condition

LITHOLOGY SANDSTONE & SHALE (in general)

SANDSTONE: Grey, thick to massive bedded, occasionally glauconitic & carbonaceous.

SHALE: Sandy, glauconitic with minor siltstone and limestone.

THICKNESS Maximum 70 meters

CONTACT

Overlain Kawagarh formation is DISCONFORMABLE,

Underlain Chichali formation is GRADATIONAL.

AGE & FOSSIL

Ammonites, bivalve, brachiopods, gastropods etc.

Late Jurassic to early Cretaceous.

KAWAGARH FORMATION

SYNONAMY

DAVIES (1930): Sublithographic Limestone, COTTER (1933): Kawagarh Shale, FATMI (1966): Dursamand Limestone, KHAN (1966): Dubran Limestone, CALKINES (1968): Sattu Limestone, LATIF (1970): Chanali Limestone, DAY (1975): Kawagarh Marls, STRATIGRAPHIC COMMITTEE OF PAKISTAN (1977):

KAWAGARH FORMATION.

TYPE LOCALITY Kawagarh hills District Attock

ARIEL EXTENSION Trans Indus Range, Kalachitta Range & southern Hazara

DEPOSITIONAL ENVIRONMENT Estuarine shelf marine condition

LITHOLOGY MARL & LIMESTONE (in general)

Dark marl, grayish calcareous shale with nodular argillaceous limestone.

In Kohat Quadrangle area two limestone members namely, Tsukail Tsuk member (upper) & Chalor Silli member (lower) are present.

THICKNESS Maximum 200 meters

CONTACT

Overlain Hangu formation is DISCONFORMABLE,

Underlain Kawagarh formation is DISCONFORMABLE.

AGE & FOSSIL

Ammonites, bivalve, brachiopods, gastropods etc.

Late Cretaceous.

MAKARWAL GROUP

HANGU FORMATION

SYNONAMY

DAVIES (1930): Hangu Sandstone & Shale, AHMED (1966): Langrial Iron Ore Horizon, DANILCHIK (1967): Dhak Pass Formation, STRATIGRAPHIC COMMITTEE OF PAKISTAN (1977):

HANGU FORMATION

TYPE LOCALITY Lockhart fort District Hangu

ARIEL EXTENSION Trans Indus Range, Kalachitta Range & Southern Hazara

DEPOSITIONAL ENVIRONMENT Transitional marine Condition

LITHOLOGY SANDSTONE & SHALE (in general)

SANDSTONE: Grey to reddish brown, fine to coarse grained, medium to thickly bedded quartzitic, cross-bedded, graded bedded occasional wackestone beds with calcareous shale,

Coal seams (± 2meters) are developed in upper part of the formation and Laterite & Bauxite beds (± 2meters) are developed in lower part of the formation.

THICKNESS 90 meters at type locality

CONTACT

Overlain Lockhart limestone is CONFORMABLE,

Underlain Kawagarh formation is DISCONFORMABLE.

AGE & FOSSIL

Foraminifera, corals, gastropods, bivalves,

Early Paleoce

LOCKHART LIMESTONE

SYNONAMY

MIDDLEMISS (1896): Nummulitic Series, WYNNE (1873): Hill Limestone, DAVIES (1930): Lockhart Limestone, GEE (1933): Khairabad Limestone, EAMES (1952): Tarkhobi Limestone, LATIF (1970): Mari Limestone, STRATIGRAPHIC COMMITTEE OF PAKISTAN (1977):

LOCKHART LIMESTONE

TYPE LOCALITY Lockhart fort District Hangu

ARIEL EXTENSION Trans Indus Range, Kalachitta Range & southern Hazara

DEPOSITIONAL ENVIRONMENT Shelf marine condition

LITHOLOGY LIMESTONE (in general)

Grayish, medium to massive bedded, brecciated, nodular, fossiliferous, bituminous limestone with occasional grey calcareous shale & marl.

THICKNESS 60 meters at type locality

CONTACT

Overlain Patala formation is CONFORMABLE,

Underlain Hangu formation is CONFORMABLE.

AGE & FOSSIL

Foraminifera, coral, mollusks, algae & spores etc.

Late Paleocene.

PATALA FORMATION

SYNONAMY

WAAGEN (1872): Nummulitic Formation, WYNNE (1873): Hill Limestone, MIDDLEMISS (1896): Nummulitic Series EAMES (1953): Tarkhobi Shales, LATIF (1970): Kuzagali Shale, STRATIGRAPHIC COMMITTEE OF PAKISTAN (1977):

PATALA FORMATION

TYPE LOCALITY Patala nala District Mianwali

ARIEL EXTENSION Trans Indus Range, Kalachitta Range & southern Hazara

DEPOSITIONAL ENVIRONMENT Transitional marine condition

LITHOLOGY SHALE, LIMESTONE & SANDSTONE (in general)

SHALE: Greenish grey, carbonaceous, calcareous, friable,

LIMESTONE: Grey, medium bedded, nodular,

SANDSTONE: Brown, fine to medium grain, gritty, calcareous.

THICKNESS Maximum 180 meters

CONTACT

Overlain Nammal formation is CONFORMABLE,

Underlain Lockhar limestone is CONFORMABLE.

AGE & FOSSIL

Foraminifera, coral, mollusks etc.

Late Paleocene.

CHARRAT GROUP

NAMMAL FORMATION

SYNONAMY

GEE (1935): Nammal Limestone & Shale, DANILCHIK (1967): Nammal Marl, STRATIGRAPHIC COMMITTEE OF PAKISTAN (1977):

NAMMAL FORMATION

TYPE LOCALITY Nammal gorge District Mianwali

ARIEL EXTENSION Trans Indus Range

DEPOSITIONAL ENVIRONMENT Shallow marine condition

LITHOLOGY LIMESTONE & SHALE (in general)

SHALE: Grey, calcareous,

LIMESTONE: Light grey, argillaceous, nodular.

THICKNESS 100 meters at type locality

CONTACT

Overlain Sakesar limestone is CONFORMABLE,

Underlain Patala formation is CONFORMABLE.

AGE & FOSSIL

Foraminifera, corals, gastropods, bivalves etc.

Early Eocene.

SAKESAR LIMESTONE

SYNONAMY

GEE (1935): SAKESAR LIMESTONE,

TYPE LOCALITY Sakesar peak District Khushab

ARIEL EXTENSION Trans Indus Range

DEPOSITIONAL ENVIRONMENT Shallow marine condition

LITHOLOGY LIMESTONE (in general)

Grayish, massive bedded, nodular, cherty limestone with occasional marl beds.

THICKNESS Maximum 300 meters

CONTACT

Overlain Chorgali formation is CONFORMABLE but DISCONFORMABLE with Rawalpindi Group,

Underlain Nammal formation is CONFORMABLE.

AGE & FOSSIL

Foraminifera, echinoid, gastropods etc.

Early Eocene.

CHORGALI FORMATION

SYNONAMY

PINFOLD (1918): Passage Beds, PASCOE (1920): Chorgali Beds, LATIF (1970): Lora Formation, MIDDLEMISS (1896): Nummulitic Series, STRATIGRAPHIC COMMITTEE OF PAKISTAN (1977):

CHORGALI FORMATION

TYPE LOCALITY Chorgali pass District Rawalpindi

ARIEL EXTENSION Trans Indus Range, Kalachitta Range & southern Hazara.

DEPOSITIONAL ENVIRONMENT Shallow marine shelf condition

LITHOLOGY SHALE & LIMESTONE (in general)

UPPER UNIT: Greenish grey, calcareous shale with argillaceous nodular limestone,

LOWER UNIT: Grey, thin to medium bedded, crystalline dolomitic limestone with calcareous shale.

THICKNESS 150 meters at type locality

CONTACT

Overlain Rawalpindi Group is UNCONFORMABLE,

Underlain Lockhar limestone is CONFORMABLE.

AGE & FOSSIL

Foraminifera, mollusks etc.

Early Eocene.

RAWALPINDI GROUP

MURREE FORMATION

SYNONAMY

WYNNE (1874): Mari Group, LYDEKKAR (1876): Murree Beds, PILGRIM (1910): Murree Series, STRATIGRAPHIC COMMITTEE OF PAKISTAN (1977):

MURREE FORMATION

TYPE LOCALITY Dhok Maiki District Attock

ARIEL EXTENSION Kohat-Potwar Region & Hazara-Kashmir Syntaxis,

DEPOSITIONAL ENVIRONMENT Fluvial condition

LITHOLOGY CLAY & SANDSTONE (in general)

CLAY: Maroon, calcareous,

SANDSTONE: Grayish red, calcareous, medium to coarse grained,

Subordinate with red siltstone / shale and conglomerate of Himalayan oragancy.

THICKNESS 3000 meters at type locality

CONTACT

Overlain Kamlial formation is CONFORMABLE,

Underlain Eocene sequence is UNCONFORMABLE.

AGE & FOSSIL

Plant & fish remains, vertebrate remains etc.

Early Miocene.

KAMLIAL FORMATION

SYNONAMY

WYNNE (1874): Mari Group, PINFOLD (1910): Kamlial Beds, PASCOE (1964): Kamlial Stage, STRATIGRAPHIC COMMITTEE OF PAKISTAN (1977):

MURREE FORMATION

TYPE LOCALITY Kamlial District Attock

ARIEL EXTENSION Kohat-Potwar Region & Hazara-Kashmir Syntaxis

DEPOSITIONAL ENVIRONMENT Fluviatile condition

LITHOLOGY SANDSTONE, SILTSTONE & CONGLOMERATE (in general)

SANDSTONE: Grayish red, calcareous, cross-bedded, fine to medium grained,

SILTSTONE: Maroon,

Subordinate with intraformational conglomerate of meta-igneous origin in calcareous sandy matrix.

THICKNESS Maximum 580 meters

CONTACT

Overlain Chinji formation is CONFORMABLE,

Underlain Murree formation is CONFORMABLE.

AGE & FOSSIL

Gastropods, reptilian, carnivores etc.

Early Miocene.

SIWALIK GROUP

CHINJI FORMATION

SYNONAMY

WYNNE (1878): Red Zone, PILGRIM (1913): Chinji Zone, PASCOE (1964): Chinji Stage, STRATIGRAPHIC COMMITTEE OF PAKISTAN (1977):

CHINJI FORMATION

TYPE LOCALITY Chinji District Chakwal

ARIEL EXTENSION Northern Kohat-Potwar region, Attock-Charrat Range & northern Sulaiman region.

DEPOSITIONAL ENVIRONMENT Fresh water to estuarine condition

LITHOLOGY SILTSTONE & SANDSTONE (in general)

SILTSTONE: Reddish brown, thin bedded & laminated,

SANDSTONE: Brownish grey, fine to medium grained, argillaceous, gritty, soft, cross-bedded.

THICKNESS 750 meters at type locality

CONTACT

Overlain Nagri formation is CONFORMABLE but UNCONFORMABLE with Nari formation (SULAIMAN REGION),

Underlain Kamlial formation is CONFORMABLE.

AGE & FOSSIL

VERTEBRATES (CROCODILES, TURTLES, LIZARDS, BIRDS, DEER, PYTHONS, etc.

LATE MIOCENE.

NAGRI FORMATION

SYNONAMY

WYNNE (1877): Dandot Sandstone, BLANFORD (1876): Lower Manchhar, PILGRIM (1913, 1926): Nagri Stage, KAZMI (1970): Uzhda Pusha Formation, STRATIGRAPHIC COMMITTEE OF PAKISTAN (1977):

NAGRI FORMATION

TYPE LOCALITY Dhok Sethi Nagri District Chakwal

ARIEL EXTENSION Northern Kohat-Potwar region, Attock-Charrat range & northern Sulaiman region

DEPOSITIONAL ENVIRONMENT Fresh water to estuarine condition

LITHOLOGY SANDSTONE, SILTSTONE & CONGLOMERATE (in general)

SANDSTONE: Greenish grey, fine to medium grained, cross-bedded, massive, occasionally calcareous,

SILTSTONE: Reddish brown,

CONGLOMERATE: Intra-formational conglomerate of meta-igneous & sedimentary origin.

THICKNESS 700 meters at type locality

CONTACT

Overlain Dhok Pathan formation is TRANSITIONAL but is UNCONFORMABLE with younger rocks of Sulaiman region,

Underlain Chinji formation is CONFORMABLE.

AGE & FOSSIL

Vertebrates like crocodiles, turtles, lizards, birds, deer, pythons, etc.

Early Pliocene.

DHOK PATHAN FORMATION

SYNONAMY

BLANFORD (1876): Upper Manchhar, GRIESBACH (1893): Siwalik, PILGRIM (1913): Dhok Pathan Stage, COTTER (1933): Middle Siwalik, HUNTING CORP (1961): Urak Group, KAZMI (1970): Shin Matai Formation, STRATIGRAPHIC COMMITTEE OF PAKISTAN (1977):

DHOK PATHAN FORMATION

TYPE LOCALITY Dhok Pathan District Attock

ARIEL EXTENSION Northern Kohat-Potwar region, Attock-Charrat range & northern Sulaiman region

DEPOSITIONAL ENVIRONMENT Fresh water to estuarine condition

LITHOLOGY SANDSTONE, SILTSTONE CONGLOMERATE (in general)

SANDSTONE: Variegated color, calcareous, cross-bedded, fine to medium grained, moderately cemented,

SILTSTONE: Maroon, calcareous

Subordinate with intraformational conglomerate (pebble-gravel size) of meta-igneous / sedimentary origin.

THICKNESS Maximum 580 meters

CONTACT

Overlain Soan formation is UNCONFORMABLE,

Underlain Nagri formation is CONFORMABLE.

AGE & FOSSIL

Vertebrates like crocodiles, turtles, lizards, pythons etc.

Middle Pliocene.SOAN FORMATION

SYNONAMY

MEDIDLICOTT (1864): Upper Siwalik, BLANFORD (1876): Upper Manchhar, PILGRIM (1913): Tatrot & Pinjor Zone, NUTTAL (1926): Upper Siwalik, HUNTING CROP. (1961): Sibi Group, KAZMI (1970): Urak Formation, STRATIGRAPHIC COMMITTEE OF PAKISTAN (1977):

SOAN FORMATION

TYPE LOCALITY Mujahad District Attock

ARIEL EXTENSION Northern Kohat-Potwar region, Attock-Charrat range & northern Sulaiman region

DEPOSITIONAL ENVIRONMENT Fresh water to estuarine condition

LITHOLOGY CONGLOMERATE, SANDSTONE & SILTSTONE (in general)

CONGLOMERATE: Conglomerate of meta-igneous / sedimentary origin (boulder to gravel size) in clayey-sandy matrix,

Subordinate with sandstone & siltstone.

THICKNESS maximum 3000 meters

CONTACT

Overlain surfical deposits is UNCONFORMABLE,

Underlain Dhok Pathan formation is UNCONFORMABLE.

AGE & FOSSIL

Vertebrates.

Late Pliocene to early Pleistocene.

ECONOMIC MINERALS OF UPPER INDUS BASIN

BAUXITE

Kingrali Formation, Hangu Formation & Patala Formation

CELESTITE

Sakesar Limestone

CLAY MINERALS

MONTMORILLONITE & BENTONITERawalpindi Group & Lower to Middle Siwalik Group

FIRE CLAY & BALL CLAYPatala Formation & Datta Formation

COAL

Tobra Formation, Hangu Formation & Patala Formation

DOLOMITE

Salt Range Formation, Kingriali Formation, Samana Suk Formation & Chorgali Formation

GYPSUM

Salt Range Formation, Sakesar Limestone & Jatta Gypsum (Eocene)

HYDROCARBON

Main Reservoir Rocks

Nilawahan Group, Zaluch Group, Datta Formation, Samana Suk Formation, Lumshiwal Formation, Lockhart Limestone, Patala Formation, Sakesar Limestone, Chorgali Formation, Murree Formation

Main Source Rocks

Datta Formation, Chicali Formation, Lockhart Limestone, Patala Formation & Nammal Formation

IRON

Chicali Formation, Lumshiwal Formation & Kawagarh Formation

LIMESTONE

Wargal Limestone, Margalla Hill Limestone (Eocene)

POTASSIUM SALT

Salt Range Formation

RADIOACTIVE MINERALS (Uraninite & Pitchblende)

Nagri Formation & Dhok Pathan Formation

ROCK PHOSPHATE

Chicali Formation, Kawagarh Formation & Patala Formation

ROCK SALT

Salt Range Formation, Bhadur Khel Salt Gypsum member (Eocene)