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ERTH 111 Exam Questions And Answers 100% Verified.

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ERTH 111 Exam Questions And Answers 100% Verified. Felsic - Answerlight colored, low density minerals, forms last at low temperatures Mafic - Answerdark colored, higher density minerals Form First at high temperatures Intermediate - Answerbetween felsic and mafic Ultramafic - Answer90% mafic minerals Slate - AnswerFlat, dull layers, metamorphic. Protolith: Shale Phyllite - AnswerMetamorphic, wavy, shiny layers Protolith:Slate Schist - AnswerMetamorphic, wavy layers with visible minerals Protolith: Phyllite Gnessis - Answermetamorphic: alternating layers of dark and light minerals Protolith: Schist or Granite/Diorite Marble - AnswerMetamorphic, Recrystallized calcite Protolith: Limestone Quartzite - AnswerMetamorphic: Recrystallized Quartz Protolith:Sandstone Coal - Answersedimentary rock formed from decayed plant material; the world's most abundant fossil fuel Coquina - AnswerA sedimentary rock made from fossilized seashells stuck together. Chalk - Answerforms from compaction of cocoliths Mud - AnswerSedimentary, too small too see individual particles, Made from mudstone or shale (layered mudstone) Sand - AnswerSedimentary, small individual particles, from sandstone Gravel - AnswerSedimentary, large individual particles, made from conglomerate Boulders - Answersedimentary, massive individual particles, made from Breccia

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ERTH 111 Exam Questions And Answers
100% Verified.


Felsic - Answer✔✔light colored, low density minerals, forms last at low temperatures

Mafic - Answer✔✔dark colored, higher density minerals
Form First at high temperatures
Intermediate - Answer✔✔between felsic and mafic

Ultramafic - Answer✔✔90% mafic minerals

Slate - Answer✔✔Flat, dull layers, metamorphic. Protolith: Shale
Phyllite - Answer✔✔Metamorphic, wavy, shiny layers Protolith:Slate

Schist - Answer✔✔Metamorphic, wavy layers with visible minerals Protolith: Phyllite

Gnessis - Answer✔✔metamorphic: alternating layers of dark and light minerals Protolith: Schist
or Granite/Diorite
Marble - Answer✔✔Metamorphic, Recrystallized calcite Protolith: Limestone

Quartzite - Answer✔✔Metamorphic: Recrystallized Quartz Protolith:Sandstone

Coal - Answer✔✔sedimentary rock formed from decayed plant material; the world's most
abundant fossil fuel
Coquina - Answer✔✔A sedimentary rock made from fossilized seashells stuck together.

Chalk - Answer✔✔forms from compaction of cocoliths

Mud - Answer✔✔Sedimentary, too small too see individual particles, Made from mudstone or
shale (layered mudstone)
Sand - Answer✔✔Sedimentary, small individual particles, from sandstone

Gravel - Answer✔✔Sedimentary, large individual particles, made from conglomerate
Boulders - Answer✔✔sedimentary, massive individual particles, made from Breccia


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