8/17/2019 Point Counting Petrografi

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PERHITUNGAN POINT COUNTING

(KUANTITATIF)

  Gambar 1. Grid pada sayatan PPL Gambar 2. Grid pada sayatan XPL

8/17/2019 Point Counting Petrografi

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POINT COUNTING WORK SHEET

POINT COUNTING !T! RECOR "ROCK !N !GGREG!TES#

Samp$%

Mineral

Composition

Row

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Row

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Row-

"

Row

-#

Row

-$

Row

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Row

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Row-

Row-

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#

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$ *+mla,

&'s()*it% 1 2 1 + 2 2 , 1 , 1 , 1 1 1 1 1-

P$ai)($as% /%$dspar 0 - 3 + 2 1 2 2 + 1

Opa4 &in%ra$ 2 3 3 + 3 2 30

5'art6 0 7 7 3 3 3 0 - 3 3 72

Is)tr)pi( &in%ra$ 1 2 2 + 3 , 2 + 2 3 3 2 2 3

8i)tit , 2 3 , , 1 , , , 1 1 27T)ta$ +,2

EM.AR PERHITUNGAN

POINT COUNTIN