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Sedimentary rock has several characteristics which make it possible to distinguish from other rock types.
Clastic sedimentary rock is composed of particles of previously existing rock. The most common example of this would be sandstone, a rock composed of cemented particles of sand where the texture can be seen and felt. The particles in clastic rock need not be sorted or homogenous however. Conglomerate and breccia are also clastic sedimentary rock where different cemented rock fragments are easily visible and may vary greatly in size and lithography. Stratification is also visible in many clastic sedimentary rocks. The stratification (layering) is due to cyclical, event based, or origin based deposition of sediments.
Organic sedimentary rocks like coal and some limestones are partially or wholly derived from the life processes of organisms and that fact may be reflected in an abundance of fossils appearing in the rock. Fossils are not found in igneous rock or metamorphic rock except in very rare instances due to unusual circumstances. Normally, the discovery of a fossil is a good indication that the rock is sedimentary.
Sedimentary rocks couldbe, or exhibit:
- Sedimentary layers from cyclical deposition.
- The presence of fossil organisms.
- Be derived from organic processes (like coal).
- Be more porous and less dense than other rock types.
- Reaction to dilute acids.
- Formed of particles of other rock fragments.
- Fine grained.
- Created by evaporation of saturated solutions.
What else can I help you with?
Is shale foiliated?
No. Shale is laminated. It is a sedimentary rock. Foliation is a characteristic of metamorphic rock.
What is the most noticeable characteristic of sedimentary rock?
The most noticeable characteristic of sedimentary rock is its layered appearance, which is known as "bedding." These layers are formed over time as different sediment deposits accumulate and are compressed together.
Is color an important characteristic for identifying a sedimentary rock?
Color can be useful for identifying some sedimentary rocks, but it should not be relied upon solely as a defining characteristic. Other properties such as grain size, texture, and mineral composition are typically more reliable indicators of a sedimentary rock's identity.
Is organic rock a type of sedimentary rock?
ORGANIC SEDIMENTARY ROCK`s : Is a type of sedimentary rock because sedimentary rock has three types of sedimentary rock called clastic , chemical , and organic sedimentary rock so yes ORGANIC SEDIMENTARY ROCK is a type of sedimentary rock..........................................
What kind of rock can sandstones be classified as?
Clastic sedimentary rock.
is mushroom rock a sedimentary rock?
a mushroom rock is not a sedimentary rock.
Is ochre a sedimentary rock?
Ochre is not classified as a sedimentary rock; rather, it is a natural clay earth pigment that contains iron oxide, giving it a characteristic yellow, red, or brown color. While ochre can be found in sedimentary environments, it is primarily used as a pigment in art and cosmetics rather than a rock type. It can also be associated with sedimentary rocks due to its formation and deposition processes.
What is the most common sedimentary rock formed from mud or clay?
The most common sedimentary rock formed from mud or clay is shale. Shale is a fine-grained sedimentary rock made up of compressed and hardened clay and silt particles. It typically exhibits a characteristic fissile (easily splitting into layers) structure.
What can happen to a sedimentary rock?
It is then sedimentary rock.
What are the 3 types of sedimentary?
Mechanically formed sedimentary rock , Chemically formed sedimentary rock and Organically formed sedimentary rock.
Rock type that is formed when sediment is lithified?
Sedimentary rock can be formed from lithified sediments.
What is a rock formed from crushed shells and coral?
A rock formed from crushed shells and coral is known as coquina. Coquina is a sedimentary rock that is composed of fragmented shell and coral debris cemented together. It is commonly found along coastlines and can have a characteristic porous appearance.
