In the following table you can find the content of the earth materials (rock types) catalog contained in wwhypda.
code.
you can find an external link to a more detailed description of the rock material.
name |
description |
USCS code |
Anhydrite |
Anhydrous calcium sulfate mineral found in salt deposits.
more info...
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Basalt |
Dark, fine-graided volcanic rock composed mainly of calcic plagioclase feldspars and pyroxene.
more info...
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Basalt, vesicular |
Basalt with small cavities formed by the expansion of bubbles of gas or steam.
more info...
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Basalt, weathered |
Basalt altered by weathering.
more info...
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Chalk |
Soft, white, porous form of limestone composed of the mineral calcite.
more info...
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Clay |
Aggregate of hydrous silicate particles less than 2 micrometres in diameter.
more info...
|
C |
Clay, high plasticity |
Clay of high plasticity, fat clay.
more info...
|
CH |
Clay, inorganic |
Inorganic clay.
more info...
|
CL |
Clay, kaolinite |
Kaolinite clay.
more info...
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Clay, organic |
Organic clay.
more info...
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Clay, organic, high plasticity |
Organic clay, high plasticity.
more info...
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OH |
Clay, organic, low plasticity |
Organic clay, low plasticity.
more info...
|
OL |
Clay, sandy |
Clay that contains a significant proportion of sand.
more info...
|
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Coal |
Coal is formed from plant remains that have been compacted, hardened, chemically altered, and metamorphosed.
more info...
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Coal, spoil |
Coal spoil.
more info...
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Dolomite |
Sedimentary rock composed largely of calcium magnesium carbonate.
more info...
|
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Dolomite, weathered |
Weathered dolomite.
more info...
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Gabbro |
Dark, coarse-grained, intrusive igneous rock chemically equivalent to basalt.
more info...
|
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Gabbro, weathered |
Wheathered gabbro.
more info...
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Gneiss |
Coarsely foliated and largely recristalized metamorphic rock.
more info...
|
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Granite |
Coarse grained igneous rock composed of more than 20% of quartz and feldspar.
more info...
|
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Granite, weathered |
Weathered granite.
more info...
|
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Gravel |
Sediment with grain size larger than sand (2 mm).
more info...
|
G |
Gravel, clayey |
Clayey gravel.
more info...
|
GC |
Gravel, clean poorly graded |
Clean poorly graded gravel.
more info...
|
GP |
Gravel, clean well graded |
Clean well graded gravel, fine to coarse gravel.
more info...
|
GW |
Gravel, coarse |
Gravel with grains between 16 mm and 32 mm.
more info...
|
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Gravel, fine |
Grains between 4 mm and 8 mm.
more info...
|
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Gravel, medium |
Grains between 8 mm and 16 mm.
more info...
|
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Gravel, sandy |
Gravel with a significant proportion of sand.
more info...
|
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Gravel, silty |
Silty gravel.
more info...
|
GM |
Gravel, with silty sand |
Gravel with silty sand.
more info...
|
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Lignite |
Brown coal.
more info...
|
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Limestone |
Sedimentary rock composed largely of calcium carbonate.
more info...
|
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Limestone, karstic |
Karstic limestone.
more info...
|
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Loam |
Soil composed of a relatively even mixture sand, silt, and clay.
more info...
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Loess |
Fine and silty eolian type of soil.
more info...
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Marl |
Muds or mudstones rich in calcium carbonate or lime.
more info...
|
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Marl, flood |
Flood marls.
more info...
|
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Marl, flood plain |
Flood plain marl.
more info...
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Marl, levee |
Levee marl.
more info...
|
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Peat |
Accumulation of partially decayed vegetation matter.
more info...
|
PT |
Peridotite |
Dense, coarse-grained rock, consisting mostly of the minerals olivine and pyroxene.
more info...
|
|
Sand |
Rock grains of 0.0625 to 2 mm diameter.
more info...
|
S |
Sand, clayey |
Sand with 10 to 20% of clay.
more info...
|
SC |
Sand, clean poorly graded |
Clean poorly graded sand.
more info...
|
SP |
Sand, clean well graded |
Clean well graded sand, fine to coarse sand.
more info...
|
SW |
Sand, coarse |
Grains between 1 mm and 4 mm.
more info...
|
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Sand, eolian |
Eolian sand.
more info...
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Sand, fine |
Grains between 0.0625 mm and 0.25 mm.
more info...
|
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Sand, fluvial |
Fluvial sand.
more info...
|
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Sand, gravelly |
Gravelly sand.
more info...
|
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Sand, medium |
Grains between 0.25 mm and 1 mm.
more info...
|
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Sand, silty |
Silty sand.
more info...
|
SM |
Sandstone |
Sedimentary rock composed mainly of sand-size mineral or rock grains.
more info...
|
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Sandstone, channel |
Channel sandstone.
more info...
|
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Sandstone, crevasse |
Crevasse sandstone.
more info...
|
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Sandstone, fine |
Fine sandstone.
more info...
|
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Sandstone, levee |
Levee sandstone.
more info...
|
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Sandstone, medium |
Medium sandstone.
more info...
|
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Sandstone, midchannel |
Midchannel sandstone.
more info...
|
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Schist |
Metamorphic rock exhibiting a foliation produced by deformation.
more info...
|
|
Shale |
Fine-grained sedimentary rock whose original constituents were clays or muds.
more info...
|
|
Shale, weathered |
Fine-grained sedimentary rock whose original constituents were clays or muds.
more info...
|
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Silt |
Soil or rock particles of small size range (3.9 to 62.5 micrometers).
more info...
|
M |
Silt, clayey |
Clayey silt.
more info...
|
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Silt, high plasticity |
Silt of high plasticity, elastic silt.
more info...
|
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Silt, inorganic |
Inorganic silt.
more info...
|
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Silt, organic |
Organic silt.
more info...
|
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Silt, organic, high plasticity |
Organic silt, high plasticity.
more info...
|
OH |
Silt, organic, low plasticity |
Organic silt, low plasticity.
more info...
|
OL |
Silt, sandy |
Silt that contains a significant proportion of sand.
more info...
|
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Siltstone |
Consolidated sedimentary rock whose grain size is between sandstone and shale.
more info...
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Till |
Unsorted glacial sediment.
more info...
|
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Tuff |
Consolidated volcanic ash ejected during a volcanic eruption.
more info...
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