sedimentary rock -- Any rock resulting from the consolidation of sediment.
siderite -- Also called ironstone, that is a concretion of iron carbonate. Common in the Mazon Creek fossil beds.
Sedimentary Rock:
Rock formed by the hardening of material deposited in some process; most commonly sandstone, shale, and limestone.
sedimentary rock Rock formed from the accumulation of sediment, which may consist of fragments and mineral grains of varying sizes from pre-existing rocks, remains or products of animals and plants, the products of chemical action, ...
Here, the sedimentary rocks that compiled thicknesses up to 15,250 m (50,000 ft) in parts of the geosynclinal deposition basin during the Paleozoic era, were strongly folded into anticlines (uparches) and synclines (downbends).
Shale Fine grained sedimentary rock composed of lithified clay particles. Shear Stress Stress caused by forces operating parallel to each other but in opposite directions.
Sedimentary Rock:
A rock formed from the accumulation and consolidation of sediment, usually in layered deposits.
Sedimentary Structure: ...
The Tessellated pavement in Tasmania is a rare sedimentary rock formation where the rock has fractured into rectangular blocks.
[edit] Number of sides of a polygon versus number of sides at a vertex ...
 See also: Sediment, Surface, Area, Region, Image
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