Term
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Definition
| Formed from cemented particles of other rocks |
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Definition
| Formed from parent rocks under heat and pressure |
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Definition
| Formed from solidified lava and/or magma |
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Term
| What kind of rock is Bituminous Coal? |
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Definition
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| What kind of rock is Anthracite Coal? |
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Definition
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Term
| What kind of rock is Sandstone? |
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Definition
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| What kind of rock is typically more dense and less porous than other rocks? |
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Definition
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Term
| Mechanical or Chemical ? Engraving on a monument that is no longer readable |
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Definition
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Term
| Mechanical or Chemical ? Tree roots breaking apart a sidewalk |
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Definition
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Term
| Mechanical or Chemical ? Freeze/thaw of area roads in the winter that eventually causes potholes to form |
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Definition
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Term
| Mechanical or Chemical ? Rocks becoming rounded and smooth from abrasion in a stream |
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Definition
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Term
| Mechanical Weathering Definiton |
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Definition
| The breakdown of rock into smaller pieces without changing its composition. |
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Term
Chemical Weathering Definiton
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Definition
| The breakdown or decomposition of rock that takes place when minerals are changed into different substances. |
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Term
| Ice wedging, freeze/thaw, abrasion, tree roots, animal burrows, exfolliation are examples of which kind of weathering? |
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Definition
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Term
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Definition
| The peeling of surface layers from exposed rock |
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Term
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Definition
Fire formed
Made up of magma or lava |
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Term
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Definition
| Cooling rates influence the texture of igneous rocks |
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Term
Texture of Igneous rocks:
Quick cooling = _____Grains |
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Definition
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Term
Texture of Igneous rocks:
Slow cooling = _____Grains
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Definition
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Term
Igneous Rocks:
Intrusive= ?
Extrusive= ? |
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Definition
Intrusive (Plutonic) = Solidify below the earths surface; slow cooling, larger grain size
Extrusive (Volcanic) = Solidify ON earths surface; fast cooling, small grain size, no crystals |
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Term
| Vesicular refers to what? |
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Definition
| Gas pockets found in igneous rocks. Results from fast cooling |
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Term
Mineral Composition:
Felsic = ?
Mafic = ? |
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Definition
Felsic = Light colored, based on minerals composition
Mafic = Dark colored |
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Term
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Definition
| Rocks formed by the compaction and cementing of layers of sediments |
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Term
| 3 types of sedimentary rocks |
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Definition
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Term
Clastic ?
Chemical ?
Organic ?
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Definition
Clastic- Formed from fragments of other rocks
Chemical- Sediments that fall or precipitate out of solution
Organic- Sediments consisting of the remains of plants and animals
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Term
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Definition
| The arrangment of layers of sedimentary rocks |
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Term
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Definition
Most commonly occur in sedimentary rocks.
A fossil is the remains, impression, or evidence of plants or animals preserved in a rock. |
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Term
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Definition
| Rocks formed from preexisting rocks called parent rocks |
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Term
| Metamorphic rocks are more _____ and less ______ |
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Definition
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Term
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Definition
| The process by which a rocks structure is changed by pressure, heat, and moisture. |
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Term
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Definition
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Term
Regional ?
Local/Contact ?
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Definition
Regional- affects large geographic areas; results from mountain
building
Local/Contact- affects smaller areas. Results fom contact with magma/lava or small scale fault movement
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Term
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Definition
| a texture of metamorphic rocks that gives the rock a layered appearance |
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Term
Types of Chemical Weathering
Hydrolosis
Oxidation |
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Definition
Hydrolosis- the chemical reaction of water with other substances (acid rain)
Oxidation- the chemical reaction of oxygen with other substances |
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Term
Mass Movement ?
Erosion ? |
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Definition
Mass Movement- The downward transportation of weathered materials by gravity.
Erosion- The removal and transport of minerals by natural agentssuch as wind and running water.
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Term
| 5 Types of Mass Movements |
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Definition
Landslide
Creep
Slump
Earthflows
Mudflows |
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Term
| Erosion = ______ of Sediments |
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Definition
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Term
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Definition
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Term
Weathering =
Erosion =
Deposition = |
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Definition
Weathering = breakdown
Erosion = transport
Deposition = lay to rest
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Term
Porosity-
Permeability-
Water Retention- |
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Definition
Porosity- The % of a materials volume is pore space
Permeability- The rate at which water or other liquids pass through the pore spaces of a rock
Water Retention- A sediments ability to hold water
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Term
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Definition
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Definition
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Term
| Youthful Stream Characteristics (5) |
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Definition
Narrow "V" shaped
down cutting
swiftwater
steep slope
Erosion is dominant |
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Term
| Mature Stream Characteristics (4) |
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Definition
Lateral erosion begins
Meanders develop
Floodplains develop
Gradient lowers |
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Term
Erosion = ______ current
Deposition = ________ |
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Definition
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Term
INSIDE meander of a stream
Current =
Transport=
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Definition
Current = slower
Transport= deposition |
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Term
OUTSIDE meander of a stream
Current =
Transport= |
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Definition
Current = faster
Transport= erosion |
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Term
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Definition
Read graphs in packet
create graph
calculate density |
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