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What are the chief constituents of detrital sedimentary rocks?
quartz and clay
Is shale detrital chemical or organic rock?
Shale is a detrital rock, meaning it is composed of fragments of other rocks and minerals. It forms from the compaction and cementation of silt and clay particles. There are organic-rich shales as well, but they are still considered detrital in nature.
What is a fine-grained detrital rock that breaks into chunks or blocks?
A fine-grained detrital rock that breaks into chunks or blocks is likely a shale. Shale is composed of clay minerals and silt-sized particles compacted together. It tends to break along bedding planes, forming flat chunks or blocks.
What pair of minerals most common in detrital sedimentary rocks?
Clay minerals and quartz are the chief constituents of most sedimentary rocks in this category. To answer why, clay minerals are the most abundant product of the chemical weathering of silicate minerals, especially the feldspars. Clays are fine-grained minerals with sheetlike crystalline structures similar to the micas. Quartz is abundant because it is extremely durable and very resistant to chemical weathering. Thus, when igneous rocks such as granite are attacked by weathering processes, individual quartz grains are freed.
What are Detritus sedimentary rocks subdivided according to?
Detrital sedimentary are classified according to the size and shape of their sediments.
What are the chief constituents of detrital sedimentary rocks?
quartz and clay
What minerals are the most common in detrital sedimentary rocks?
Quartz and Clay.
What is the smallest detrital grain?
Clay particles. Less than 2 micrometres in diameter.
What minerals are most common in detrital sedimentary rocks?
The most common minerals found in detrital sedimentary rocks are quartz, feldspar, and clay minerals. These minerals are often derived from the erosion and weathering of igneous and metamorphic rocks.
Is shale detrital chemical or organic rock?
Shale is a detrital rock, meaning it is composed of fragments of other rocks and minerals. It forms from the compaction and cementation of silt and clay particles. There are organic-rich shales as well, but they are still considered detrital in nature.
What is a detrital sedimentary rock made up of clay-sized particles that require no cementation to hold together?
A detrital sedimentary rock made up of clay-sized particles that require no cementation to hold together is called shale. Shale forms from the compaction of clay minerals without the need for additional cementing materials.
What is a type of detrital sedimentary rock?
Detrital rocks are sedimentary rocks that are composed of particles of weathered and eroded igneous, metamorphic, or other sedimentary rocks that have been deposited, compacted, and cemented together. Sandstone, conglomerate, shale, and breccia are examples of detrital sedimentary rocks.
What is the detrital sediment sizes in order from smallest to largest?
Clay, Silt, Sand, Granule, Pebble, Cobble and Boulder.
What is a fine-grained detrital rock that breaks into chunks or blocks?
A fine-grained detrital rock that breaks into chunks or blocks is likely a shale. Shale is composed of clay minerals and silt-sized particles compacted together. It tends to break along bedding planes, forming flat chunks or blocks.
What pair of minerals most common in detrital sedimentary rocks?
Clay minerals and quartz are the chief constituents of most sedimentary rocks in this category. To answer why, clay minerals are the most abundant product of the chemical weathering of silicate minerals, especially the feldspars. Clays are fine-grained minerals with sheetlike crystalline structures similar to the micas. Quartz is abundant because it is extremely durable and very resistant to chemical weathering. Thus, when igneous rocks such as granite are attacked by weathering processes, individual quartz grains are freed.
Detrital rock is named according to?
the shape and size of the sediments
What is the smallest type of rock?
Reasoning : soil particles the diameters of which are less than 0.005 millimetre; also a rock that is composed essentially of clay particles. Rock in this sense includes soils, ceramic clays, clay shales, mudstones, glacial clays (including great volumes of detrital and transported clays), and deep-sea clays (red clay, blue clay, and blue mud). These are all characterized by the presence of one or more clay minerals, together with varying amounts of organic and detrital materials, among which quartz is predominant. Clay materials are plastic when wet, and coherent when dry. Most clays are the result of weathering.
