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47 Cards in this Set
- Front
- Back
- 3rd side (hint)
How can mechanical weathering speed up chemical weathering? |
Mechanical wearhering exposes more surface area |
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Name 3 natural sources of acid in solution |
Carbonic acid, sulfuric acid, and plant acids |
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What factors affect the formation of soil? |
Parent material, climate, time, organic material |
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How do soils erode, and why is it important to minimize soil erosion? |
Wind, water, glaciers, organisms . And because its important for plant life |
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Name and sketch the soil horizons that form in a humid climate. Explain how the layers (horizons) form. |
REMEMBER IT IS AS A LAYERED CAKE.
O --> humus A ---> leaching B ---> accumulation Bedrock |
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Physical disintegration of rock into smaller pieces is called |
Mechanical weathering |
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The decomposition of rock from exposure to water and atmospheric gases is called |
Chemical weathering |
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The decomposition of rock from exposure to water and atmospheric gases is called |
Chemical weathering |
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Which is not a type of mechanical weathering? Frost wedging Pressure release Frost heaving Oxidation |
Oxidation |
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The single most effective agent of chemical weathering at Earths surface is? Carbonic acid Water Carbon dioxide Hydrochloric acid |
Water |
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The most common end product of the chemical weathering of feldspar is? Clay minerals Amphibole Pyroxene Calcite |
Clay minerals |
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The most common end product of the chemical weathering of quartz is? Clay minerals Pyroxene Amphibole Calcite Quartz isnt affected |
Quartz isnt affected |
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Soil with approximately equal amounts of sand, silt, and clay along with a generous amount of organic matter is called |
Loam |
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Soil with approximately equal amounts of sand, silt, and clay along with a generous amount of organic matter is called |
Loam |
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The most important factor in determining the type of soil that forma is? |
Climate |
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The soil horizon containing only organic material is the? |
O horizon |
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Hardpan forms in the? A horizon B horizon C horizon E horizon |
B horizon |
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What conditions of climate and weathering rate could lead to feldspar rich sandstone? |
Dry climate and slow weathering |
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What do mud cracks tell us about the environment deposition of a sedimentary rock? |
It used to be wet |
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How does a graded bed form? |
In slowing water |
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List the detrial sediment particles in order of decreasing grain size. |
Boulders Cobbles Pebbles Sand Silt Clay |
Think of onyx from pokemon |
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How does a sedimentary breccia differ in appearance and origin from a conglomerate? |
Conglomerate: large grains that traveled Breccia:large angular grains did not travel |
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3 different origins for limestone |
Lakes Caves Open ocean Springs |
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How does a sedimentary breccia differ in appearance and origin from a conglomerate? |
Conglomerate: large grains that traveled Breccia:large angular grains did not travel |
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3 different origins for limestone |
Lakes Caves Open ocean Springs |
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How does dolomite form? |
When you replace calcium in calcite with magnesium |
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Origins of coal? |
Decomposed plant material |
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How do evaporites form? Name two. |
Water evaporates, rock salt and rock gypsum |
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Name 3 common types of sedimentary rocks |
Limestone, sandstone, and shale |
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What formation? |
A high layer of rock |
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Explain two ways that cross-bedding can form |
Wind and water |
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Particles of sediment from 1/16 to 2 millimeters in diameter are of what size? |
Sand |
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Rounding is |
The grinding away of sharp edges of rock fragments during transportation |
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Compaction and cementation are two common processes of Erosion Deposition Transportation Lithification |
Lithification |
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Which is not a chemical or organic sedimentary rock? |
Sandstone |
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Breccia and conglomerate difference |
rounding of the grains |
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Which is not a type of sandstone? |
Travertine |
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Which is not a type of sandstone? |
Travertine |
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Shale differs from mudstone in that |
Shale is visibly layered and fissile |
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Front (Term) The chemical element found in dolomite not found in limestone is? |
Back (Definition) Magnesium (Mg) |
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Front (Term) A body or rock of considerable thickness with characteristics that distinguish it from adjacent rock units is called a? |
Formation |
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If sea level drops or the land rises, what is likely to occur? |
A regression |
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Thick accumalation of greywacke and volcanic sediments can indicate an ancient |
Convergent boundary |
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A sedimentary rock made of fragments of preexisting rocks is |
Detrial |
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Clues to the same nature of the source area of sediment can be found in |
The composition of the sediment |
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Yes |
Back (Definition) Ueah |
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Yeag |
Hj |
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