click below
click below
Normal Size Small Size show me how
lithosphere+geology
envs 101 exam 2 review
Term | Definition |
---|---|
mineral | solid with chemical and physical crystalline structure |
sediment | minerals are broken into grains |
rock | solid aggregate of minerals |
ore | mineral or sediment with an element of value inside |
Earths core | made of metals in the solid center, then liquid magma outside |
mantle | 84% of earths volume made of the lithosphere and the asthenosphere |
Alfred Wegener | came up with plate tectonics in 1915 |
ocean plates | made of basalt |
terrestrial plates | made of granite |
topography | the shape of the land as defined by land forms |
soil | a mixture of biotic and abiotic components atop the earths mantle which sustains life |
CLORPT | CLimate Organisms topogRaphy Parent material formation Time |
how many tectonic plates? | 15 |
divergent boundaries | plates split apart, forming rift valleys |
convergent boundaries | dense plate slides under the light plate, forming mountains |
transform boundaries | plates slide together, creating earth quakes and fault lines |
igneous rocks | from magma |
sedimentary rocks | from sediments |
metamorphic rocks | from change (heat and pressure) |
coastal plains region | primarily sediments, youngest, from the Eocene |
blue ridge region | oldest - from Pangaea |