Rocks

Question	Answer
Image: Photo On 2 8 18 At 2.19 Pm (binary/octet-stream)	Granite Igneous -Intrusive Intrusive, Light colored because it has greater amounts of Silica.
Image: Photo On 2 8 18 At 2.19 Pm #2 (binary/octet-stream)	Diorite Igneous - Intrusive Intrusive, Mineral compositions between Granitic and Basaltic. Gray to Dark Grey in color usually. (Andesitic)
Image: Photo On 2 8 18 At 2.19 Pm #3 (binary/octet-stream)	Gabbro Igneous - Intrusive Intrusive, Dark, course-grained. Chemically similar to Basalt. (Basaltic)
Image: Photo On 2 8 18 At 2.20 Pm (binary/octet-stream)	Basalt Igneous- Extrusive Extrusive, Dark-colored because it has greater amounts of Iron and Magnesium, more dense (Basaltic)
Image: Photo On 2 8 18 At 2.20 Pm #2 (binary/octet-stream)	Andesite Igneous - Extrusive Extrusive, Intermediate between Basalt and Rhyolite. (Andesitic)
Image: Photo On 2 8 18 At 2.20 Pm #3 (binary/octet-stream)	Rhyolite Igneous - Extrusive Extrusive, but silica-rich, usually lighter in color and density. (Granitic)
Image: Photo On 2 8 18 At 2.21 Pm #2 (binary/octet-stream)	Obsidian Igneous- Extrusive Extrusive, Glassy, usually black (Granitic, actually high in silica, just doesn’t follow the color rules)
Image: Photo On 2 8 18 At 2.21 Pm (binary/octet-stream)	Pumice Igneous - Extrucive Extrusive, Light-colored and light mass with holes caused by gas bubbles that were released when it was formed (Granitic)
Image: Photo On 2 8 18 At 2.22 Pm (binary/octet-stream)	Scoria Igneous - Extrusive Extrusive, Dark-colored and somewhat lighter in mass with holes caused by gas bubbles that were released when it formed (Basaltic)
Image: Photo On 2 8 18 At 2.23 Pm (binary/octet-stream)	Gneiss Metamorphic - Foliated Foliated, Parent rock most likely Granite or another Metamorphic rock.
Image: Photo On 2 8 18 At 2.22 Pm #2 (binary/octet-stream)	Schist Metamorphic - Foliated Foliated, Flattened grains, most likely formed from an Igneous rock like Granite but was not changed enough to form Gneiss. Phyllite Metamorphic - Foliated Foliated, starts to form layers. The larger piece in this bin.
Image: Photo On 2 8 18 At 2.22 Pm #3 (binary/octet-stream)	Slate Metamorphic - Foliated Foliated, Parent rock most likely Shale. (No Fossils will be found because of the metamorphism)
Image: Photo On 2 8 18 At 2.24 Pm #2 (binary/octet-stream)	Marble Metamorphic - Nonfoliated Nonfoliated, Parent rock most likely Limestone.
Image: Photo On 2 8 18 At 2.24 Pm #3 (binary/octet-stream)	Quartzite Matamorphic - Nonfoliated Nonfoliated, Parent rock most likely Sandstone.
Image: Photo On 2 8 18 At 2.24 Pm (binary/octet-stream)	Shale Sedimentary - Detrial Detrital, formed from the sediment Clay. (Fossils may be found)
Image: Photo On 2 8 18 At 2.25 Pm #2 (binary/octet-stream)	Sandstone Sedimentary - Detrital Detrital, formed from the sediment Sand.
Image: Photo On 2 8 18 At 2.25 Pm #3 (binary/octet-stream)	Conglomerate Sedimentary - Detrital Detrital, formed from pebbles. If the gravel is rounded (pebbles), it is called Conglomerate.
Image: Photo On 2 8 18 At 2.25 Pm (binary/octet-stream)	Breccia Sedimentary - Detrital Detrital, formed from gravel. If the gravel has angular, jagged edges it is called Breccia.
Image: Photo On 2 8 18 At 2.16 Pm (binary/octet-stream)	Limestone Sedimentary - Chemical Chemical, formed from the solution with Calcium Carbonate, which usually is formed from the dissolved mineral Calcite. Calcite is the clear crystal in this bin. (Fossils may be found in small amounts)
Image: Photo On 2 8 18 At 2.16 Pm #2 (binary/octet-stream)	Halite Sedimentary - Chemical Chemical, formed from the solution of Sodium Chloride (Salt), also called Rock Salt. Gypsum: formed from the solution of Calcium Sulphate.
Image: Screen Shot 2018 02 13 At 11.38.12 Am (binary/octet-stream)	Fossil-rich Limestone Sedimentary - Organic Organic, contains an abundance of casts or remains of fossils. (Also known as Fossiliferous Limestone)
Image: Photo On 2 8 18 At 2.17 Pm #3 (binary/octet-stream)	Conquina Sedimentay - Organic Organic, contains mostly shells cemented together.
Image: Photo On 2 8 18 At 2.17 Pm (binary/octet-stream)	Chalk Sedimentary - Organic Organic, contains microscopic pieces of shells, calcium carbonate.
Image: Photo On 2 8 18 At 2.17 Pm #2 (binary/octet-stream)	Coal Sedimentary - Organic Organic, contains compacted dead plants. Can be burned to provide energy.

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	Created by Madelyn Potter about 6 years ago