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Rocks and minerals
Rocks and Minerals
| Question | Answer |
|---|---|
| What is the thickness of the crust of the earth | 5km to 60km |
| 2. What do scientists believe the core is made of? | iron |
| 3. What is the thinnest layer of the earth? | crust |
| 4. At what angle(s) do strata occur in the crust of the earth? | almost any angle |
| 5. What category & sub category of rock is a conglomerate? | Category is sedimentary. sub category is fragmental |
| 6. What type of material can fragmental sedimentary rock be composed of? | previously existing rock also sand, quartz, gravel |
| 7. What category & sub category of rock is limestone? | category is sedimentary , sub category is chemical |
| 8. What category & sub category of rock is rock formed from minerals precipitated from water? | category is sedimentary, sub category is chemical |
| In what rock are most fossils found in (be specific)? | limestone |
| Give several examples of fossils. | index, polystrate, |
| In what category of rock do you find fossils? | sedimentary |
| List all the fossil fuels. | coal, oil, natural gas |
| What do scientists believe coal formed from? | plant remains |
| What type of rock is coal most likely found in? | sedimentary rock |
| What is the most common type of intrusive igneous rock? | granite |
| Give several examples of intrusive igneous rocks. | diotrite, peridotite, and gabbro |
| Which rock discussed in class is known to float in water? | pumice |
| Which category of rock appears to have changed from their original form? | metamorphic |
| What type of metamorphic rock appears with parallel layers? | foliated |
| List several examples of non foliated metamorphic rock. | marble, quartzite |
| What is the outer most layer of the earth? | crust |
| What do we call the boundary between the crust & mantle? | Mohorovicic discontinuity or moho |
| What layer is found between the Moho & the outer core? | mantle |
| What do we call the different layers found in sedimentary rock? | strata |
| What is the deepest layer of the earth’s interior? | the inner core of solid iron |
| What do we call fragmental sedimentary rock with sharp angular fragments? | breccia |
| What rock (be specific) contains mainly calcite? | limestone |
| What type of rock comes from cooled molten mixture? | igneous rock |
| What do we call molten rock below the earth’s surface? | magma |
| What do we call igneous rock formed above the earth’s surface? | extrusive igneous rock |
| What do we call igneous rock formed below the earth’s surface? | intrusive igneous rock |
| What do we call a igneous rock with two sizes of crystals or grains? | porphyry |
| Give an example of an extremely porous volcanic rock. | pumice |
| This is sometimes called natural glass. | obsidian |
| What do we call rock the has been altered from its original form? | metamorphic |
| List the layers of the earth from coolest to hottest. | crust, mantle , core |
| List the layers of the earth from least to most dense. | core, mantle, curst |
| Do earthquake waves travel faster in the crust or mantle? | mantle |
| What is a unique characteristic of sedimentary rock? | |
| What type & sub type of rock is granite | intrusive igneous |
| What type & sub type of rock is Gneiss? | foliated metamorphic rock |
| What is the mass of the earth (include units of measurement)? | 5.972E24 kg |
| What area of the earth’s core do scientists believe exists in a liquid state? | outer core |
| What percentage of the earth’s volume is in the mantle? | 84% |
| What percentage of the earth’s volume is in the core? | 15% |
| What type of igneous rock is Scoria? | extrusive igneous rock |
| What category of rock is the most common type found in the earth’s crust? | sedimentary roc |
| List the 2 subcategories of sedimentary rock. | fragmental and chemical |
| What do we call a substance the something embedded in it? | fine grain matrix |
| List 3 minerals the granite is made up of. | feldspar, quartz and mica |
| What do we call metamorphic limestone? | marble |
| Marble is what type & sub type of rock? | nonfoliated metamorphic rock |
| Quartizite is what type of metamorphic rock? | nonfoliated |
| What do we call vertical deposits of halite? | salt domes |
| Give an example of fragmental sedimentary rock that has the smallest size of particles. | mudstone or shale |
| Give an example of a solid fossil fuel. | coal |
| Give an example of a liquid fossil fuel. | oil |
| What word means “containing grains?” | granite |
| What is metamorphic sandstone called? | quartzite |
| What does the word “foliated” mean? | with leaves |
| Halite is what type of sedimentary rock? | chemical |
| Define permiable. | allow liquids or gases to pass through it |
| What do we call the solid material found in the earth's crust? | rock |
| Halite is what type of sedimentary rock? | chemical |
Created by:
TwoTew1999
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