Sedimentary rocks are lithified sediments, the origin of which may be from igneous, metamorphic, or other sedimentary rock, and in some cases chemical solutions or organic matter. Erosion and weathering of rock creates a range of rock particles from boulder sized to microscopic. These particles are transported by wind, water or landslide to a point of deposition or resting place. If these particles continue to be covered with additional layers of particles, the compression from the weight above, will, in time remove most of the water from the sediments. As the water is removed, cementing minerals, such as calcite or quartz, solidify from the remaining solution and fill in the gaps between the particles. The result is a lithified sediment, better known as sedimentary rock.
Biological sedimentary rocks are formed from organic processes that involve living organisms producing the sediments. These living organisms can be snails and clams whose discarded calcium carbonate shells can form limestone. But it also includes swamp plants whose organic debris can produce coal if conditions are right. Although the origin of the sediments are organic, most of the chemicals that the living organisms used to produce their shells or their body parts have origins from previous rocks. Thus these are sedimentary rocks, but with a biogenic intermediate
There are two types of biological sedimentary rocks:
sedimentary rocks are formed from older rocks that have been broken into tiny fragments . Wind and rain take away these tiny bits of rocks to water bodies. They sink to the bottom and form layers called sediments .Over millions of years the pressure turns these layers into hard layers after some time they break up and form sedimentary rocks.
Organic sedimentary rock is derived mostly from the remains of organisms which have lithified into rock. Examples would be coal and chalk.
full of sediment.
No. The rocks you describe are clastic or detrital sedimentary rocks.
igneous ,sedimentary and metarmophic rocks
residual deposits and sedimentary deposits
They are called clastic sedimentary rocks.
Metamorphic rocks are classified by foliation or lack there of, not sedimentary rocks. They are classified into Clastic Sedimentary, and Chemical Sedimentary.
No. The rocks you describe are clastic or detrital sedimentary rocks.
igneous ,sedimentary and metarmophic rocks
residual deposits and sedimentary deposits
They are called clastic sedimentary rocks.
Metamorphic rocks are classified by foliation or lack there of, not sedimentary rocks. They are classified into Clastic Sedimentary, and Chemical Sedimentary.
Sam Boggs has written: 'Petrology of sedimentary rocks' -- subject(s): Sedimentary Rocks 'Petrology of sedimentary rocks' -- subject(s): Rocks, Sedimentary, Sedimentary Rocks
Igneous, sedimentaty and metamorphic are all types of rocks. You would just write sentences to describe each, like "Igneous rocks come from volcanoes" and "Sedimentary rocks come from sediment."
Yes all fossils occur in sedimentary rocks or rocks that began as sedimentary rocks.
Sedimentary rocks have three main types that reflect their origins: Detrital chemical and biochemical.
Sedimentary rocks.
It cannot be describe as either. Intrusive and extrusive are terms used to describe igneous rocks. Sandstone is sedimentary.
Sedimentary rock is one of the three main rock groups (along with igneous and metamorphic rocks) and is formed in three main ways-by the deposition of the weathered remains of other rocks (known as clastic sedimentary rocks); by the deposition of the results of biogenic activity; and by precipitation from solution. Sedimentary rocks include common types such as chalk, limestone, sandstone, and shale. :)