intro to rocks
TRANSCRIPT
ROCKSQuartz
Granite
Sandstone
Gneiss, Slate
Rock Cycle
Increasing Si
Increasing Mg, Fe, Ca
Water-Honey-Toothpaste
Silica increases viscosity
Low Si - Med Si – High Si
As magma cools, different crystals beginTo form at different temperatures
Plutons
Peninsular Range Batholiths
Extrusive Rocks
Hawaii, Mid Atlantic Ridge
Mt. Fuji
Long Valley Caldera, CA
Runny, Low Viscosity, honey Intermediate, medium viscosity, toothpaste Stiff, Felsic, high viscosity, clay
Torrey Pines State Beach
Clastic ChemicalBiological
sandstoneLimestone
coal
Conglomerate Breccia Sandstone Siltstone Mudstone Shale
Based on grain sizeConglomerate
Breccia
Sandstone
Siltstone
Mudstone Shale
Shale Slate
Granite Schist
Granite GneissGranite
Shale
Gneiss
Schist
Slate
Non-Foliated (no layers)
Limestone Marble
Sandstone Quartzite
Red SandBlack SandGreen SandWhite Sand
Green Sand Beach, Big Island White Sand Beach, Maui
Red Sand Beach, Maui Black Sand Beach, Maui