answer them only when you know the answer thanks! Choose the fundamental charact

Question

answer them only when you know the answer thanks!

Choose the fundamental characteristics that most closely match that of the rock shown (Sample 1). Coarsely or finely:_N/A Banded? No Flat and Smooth?_No Acid Reaction?No Composed mostly of quartz?_Yes Schistosity?_ No Greenish tint? Coarsely or finely:_Coarsely Banded? Sometimes Flat and Smooth?_No Acid Reaction?_Yes Composed mostly of quartz? Schistosity? No Greenish tint? No No Coarsely or finely: Coarsely Banded? No Flat and Smooth? Yes Acid Reaction? No Composed mostly of quartz? No Schistosity?_Yes Greenish tint? Sometimes Coarsely or finely:_Coarsely Banded? Yes Flat and Smooth? No Acid Reaction? No Composed mostly of quartz? Some Schistosity? No Greenish tint? No

Explanation / Answer

(1). For The first Rock the answer is last one that is " coarsely or finely = coarsely, banded =yes, flat and smooth=no, acid reaction=no, composed mostly of quartz= some, schistosity= no, greenish tint= no.

(a) The rock name is gneiss.

(b) And it is formed in high tmperature pressure enviromnent.

(2).   For The first Rock the answer is last one that is " coarsely or finely = coarsely, banded =yes, flat and smooth=no, acid reaction=no, composed mostly of quartz= some, schistosity= no, greenish tint= no.

(a) The rock name is schist or mica schist.

(b) And it is formed under intermediate to high temperature and pressure environment.

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