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31 Cards in this Set
- Front
- Back
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Detrital/Siliclastic Rock (CLASTIC) |
Main type of Sedimentary Rock: made of rock fragments, clay minerals, or quartz & feldspar grains |
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*Breccia Detrital/Clastic Rock made mostly of angular gravel (rock fragments) Poorly sorted Large grain size Angular shape Main mineral: Silica Environment: Gravel mountain |
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*Shale (mudstone) Detrital/Clastic Rock made mostly of clay minerals Well sorted Ultra fine grain size Can't identify shape Main mineral: Clay Environment: Marsh or Marine (low energy) |
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*Conglomerate Detrital/Clastic Rock made mostly of rounded gravel and sand grains (usually quartz) Very poorly sorted Large grain size Rounded shape Main Mineral: Quartz Envirionment: River
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*Arkose Sandstone Detrital/Clastic Rock made mostly of feldspar grains Well sorted Fine grain size Rounded (grainy) shape Main mineral: Feldspar Environment: Top of river |
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Detrital Rocks - Grain size (GSSC) |
Gravel-sized Sand-sized Silt-sized Clay-sized
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Biochemical/Bioclastic Rocks (BIOCHEMICAL) |
Main type of Sedimentary rock: made mostly of grains that are fragments or shells of organisms (plants or animals) |
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*Fossiliferous Limestone Biochemical Rock made mostly of shells and shell fragments Main mineral: Calcium carbonate Environment: Shell sand - Ocean -Reacts with acid |
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*Peat Biochemical Rock made mostly of plant fragments Main mineral: Carbon Environment: Bog |
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*Bituminous Coal Biochemical Rock made of carbon/charcoal from plants Main mineral: Carbon Environment: Bog |
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Chemical Rock (CHEMICAL) |
Main type of Sedimentary Rock: made mostly of gypsum mineral crystals |
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*Rock Gypsum Chemical Rock made mostly of gypsum mineral crystals Main mineral: Gypsum Environment: Evaporating lagoon |
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*Quartz Sandstone Detrital/Clastic Rock Well sorted Very fine grain size Rounded shape Main mineral: Quartz Environment: End of stream |
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*Oolitic Limestone Chemical Rock Main mineral: Calcite Environment: Ocean (sandbar - high energy) -Reacts with acid |
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*Coquina Biochemical Rock Main Mineral: Calcium carbonate Environment: Ocean (shell gravel) -Reacts with acid |
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*Chalk Biochemical Rock Main Mineral: Calcium carbonate Environment: Ocean cliff -Reacts with acid |
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*Chert Chemical Rock made of microcrystalline quartz varieties Main mineral: Quartz Environment: Groundwater
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-Slate Foliated No visible grain Main mineral: Clay Parent: Mudstone/Shale Metamorphic grade: Low |
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-Anthracite Coal Non-foliated No visible grain Main mineral: Carbon Parent: Peat, lignite, bituminous coal |
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-Marble Non-foliated Medium grain Main mineral: Calcite Parent: Limestone Metamorphic Grade: Any
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-Quartzite Non-foliated Medium-coarse grain Main mineral: Quartz Parent: Sandstone Metamorphic grade: Any |
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-Phyllite Foliated No visible grain Main mineral: Clay Parent: Mudstone - Shale Metamorphic grade: Low |
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-Mica Schist Foliated Medium grain Main mineral: Mica Parent: Phyllite* |
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-Tourmaline Schist Foliated Medium grain Main mineral: Horneblend Parent: Phyllite*
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-Garnet Schist Foliated Medium grain Main mineral: Garnet Parent: Phyllite* Metamorphic grade: Medium |
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-Serpentinite Non-foliated Fine grain Main mineral: Serpentine Parent: Basalt, Gabbro, Ultramafic Ign. Rocks Metamorphic grade: Any |
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-Talc Schist Foliated Medium grain Main mineral: Talc Parent: Phyllite* Metamorphic grade: Medium |
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-Metaconglomerate Non-foliated Coarse grain Main mineral: K-Spar Parent: Conglomerate Metamorphic grade: Any |
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what is foliated Layers |
Foliated |
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what is non-foliated |
Non-foliated |
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(Gneiss pic) :( |
-Gneiss (pink & black) or (black & white) Foliated Medium grained Main mineral: K Spar Parent: Mudstone Metamorphic grade: High |
