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29 Cards in this Set
- Front
- Back
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Phaneritic Notes (Texture)
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Igneous
(Granite, Gabbro, Diorite) (Intrusive) (Felsic) (Brother to Pegmatitic) Mineral Composition & Rock Name: Felsic - Granite Intermediate - Diorite Mafic - Gabbro |
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Pegmatitic Notes (Texture)
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Igneous
(Granite Pegmatitic, Diorite Pegmatitic, Gabbro Pegmatitic, Peridotite Pegmatitic) (Brother to Phaneritic) (Intrusive) Mineral Composition & Rock Name: Felsic - Granite Intermediate - Diorite Mafic - Gabbro |
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Aphanitic Notes (Texture)
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Igneous
(Rhyolite, Andesite, Basalt) (Extrusive) Mineral Composition & Rock Name Felsic - Rhyolite Intermediate - Andesite Mafic - Basalt |
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Porphyritic Notes (Texture)
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Igneous
(Rhyolite Porphyritic, Andesite Porphyritic, Basalt Porphyritic) (Extrusive) Mineral Composition & Rock Name Felsic - Rhyolite Porphyritic Intermediate - Andesite Porphyritic Mafic - Basalt Porphyritic |
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Vesicular
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Igneous
Vesicular Basalt |
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Glassy Notes (Texture)
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Igneous
Extrusive Mineral Composition & Rock Name Felsic - Obsidian (Quartz) |
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Frothy Notes (Texture)
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Igneous
Extrusive Mineral Composition & Rock Name Felsic - Pumice (white & gray) Mafic - Scoria (rusts/red) |
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Felsic
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Igneous
(Granite, Rhyolite Porphyritic, Granite, Obsidian) |
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Mafic
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Igneous
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Intermediate
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Igneous
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Intrusive
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Igneous
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Extrusive
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Igneous
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Detrital/Clastic
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Sedimentary
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Biochemical
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Sedimentary
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Chemical
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Sedimentary
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Grain Size
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Sedimentary
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Grain Sorting
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Sedimentary
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Grain Rounding
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Sedimentary
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Sedimentary Structures
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Sedimentary
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Foliated
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Metamorphic
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Non-Foliated
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Metamorphic
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Protolith
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Metamorphic
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Metamorphic Grade
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Metamorphic
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Banding
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Metamorphic
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What are the two major classes of igneous rocks?
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Intrusive and extrusive
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How does cooling time control the crystal size of an igneous rock?
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Slow cooling leads to larger crystals
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What does the term "porphyritic texture" refer to?
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Large crystals embedded in an aphanitic background
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How are granite pegmatites different from regular granites?
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Granite pegmatites contain very large crystals.
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Which of the following is true:
a. Felsic rocks are usually light colored and heavy b. Felsic rocks are usually light in both color and weight c. Mafic rocks are usually light in both color and weight d. Felsic rocks are usually light in weight but dark in color. e. Mafic rocks are usually light colored and heavy. |
a. Felsic rocks are usually light colored and heavy
---- b. Felsic rocks are usually light in both color and weight c. Mafic rocks are usually light in both color and weight d. Felsic rocks are usually light in weight but dark in color. e. Mafic rocks are usually light colored and heavy. |
