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| rock quality that is based on the sizes, shapes and positions of the rock minerals |
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| moving block of the lithosphere that helps to explain earth's geologic past |
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| rock made up of ssediments |
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| rock formed from cooling of lava or magma |
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| rock that has changed from one type of rock to another based on extreme heat and or pressure |
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| the remains or evidence of past life that has been preserved inrock or tother substances |
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| fossil that is found in the rock layers of only one geologic age |
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| composition of minerals and black organic material that will decay into soil |
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| any method of determining whether an event or object is older or younger than other events or objects |
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| any method of measuring the actual age of an event or an object in years |
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| the chemical makeup of a rock; describes either the minerals or other materials in the rock |
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| German scientist who proposed the theory that continents have drifted into their present locations |
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| Considered the father of mondern geology |
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| he used sea floor spreading data in the 1960's to explain how the gaint tectonic plates move |
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| movement within the earth that causes rocks inside the earth to be moved to the earth's surface. It amy happen from weatherin or erosion or then deposition begins |
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| the process in which material is laid down at the end of erosion |
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| the principle that states that younger layers of rock are found on top of older rodk in any undisturbed horizontal layering of rock |
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