Can you define these Geology terms for me?

maguathehearteater · #1 (**permalink**) 04-05-2008, 04:27 PM

Exact definition

Macic

Sicilic

aksgeh · #2 (**permalink**) 04-05-2008, 04:29 PM

i think you mean mafic and silicic?

Lady Geologist · #3 (**permalink**) 04-05-2008, 04:29 PM

You need to check your spelling.

Mafic: Having high percentages of iron and magnesium bearing minerals. Low silica content. Dark in color.

Felsic/Silicic: Having high percentages of silica bearing minerals. Light in color.

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