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Other sedimentary rocks can be formed from deposits secreted by chemical solutions (chemical precipitates), or from deposits made up from the remains of dead organisms (both animals and plants). This last group forms sedimentary rocks of largely biological origin.
- Can plants form a sedimentary rock?
- Do sedimentary rocks have plants and animals?
- Can living things make sedimentary rocks?
- Can sedimentary rocks contain animals?
- What type of sedimentary rock forms from the remains of plants and animals?
- What rock forms from the remains of plants or animals?
- How sedimentary rocks are formed?
- How sedimentary rocks form kids?
- When an animal or plant dies they can be covered in sediments like?
- What are three ways sedimentary rocks can form?
- Is it possible for rocks to be formed from clay particles?
- Is a sedimentary rock formed from the remains of tiny sea animals?
- How metamorphic rocks are formed?
- Which of the following rocks do not contain any fossils of plants and animals?
Can plants form a sedimentary rock?
Coal is an unusual sedimentary rock because it forms from plants instead of earlier rocks. The coal people use today started forming millions of years ago in swamps. ... Then layers of other sediments buried the layers of plant remains. The weight of the sediments above pressed the plant material into coal.
Do sedimentary rocks have plants and animals?
These rocks are formed when tiny pieces of dirt, soil, rock, and organic matter like decaying animals or rotting plant refuse accumulate in one location and settle there. For this reason, sedimentary rock is known to contain plant and animal fossils.
Can living things make sedimentary rocks?
Organci rocks such as coal and limestone are sedimentary rocks that form from the remains of living things.
Can sedimentary rocks contain animals?
Sedimentary rocks are unique because they are the only types of rocks that can contain fossils of sea shells and animals. ... Fossils form when the soft parts of plants and animals decay and leave the hard parts (such as bones) behind. The hard parts that are left are then covered with layers of sediment.
What type of sedimentary rock forms from the remains of plants and animals?
Biogenic sedimentary rocks are primarily composed of plant and animal remains, and include minerals created by organisms, such as corals, molluscs, diatoms or radiolarian which cover the ocean floor and later form limestones or cherts.
What rock forms from the remains of plants or animals?
Limestone is a sedimentary rock made almost entirely of fossils. Fossils are the remains of ancient plants and animals, like an imprint in a rock or actual bones and shells that have turned into rock. Fossils are found in sedimentary rocks and hold the clues to life on Earth long ago.
How sedimentary rocks are formed?
Clastic sedimentary rocks are made up of pieces (clasts) of pre-existing rocks. Pieces of rock are loosened by weathering, then transported to some basin or depression where sediment is trapped. If the sediment is buried deeply, it becomes compacted and cemented, forming sedimentary rock.
How sedimentary rocks form kids?
Sedimentary rocks are formed from broken down bits of other rocks or even from the remains of plants or animals. The little pieces collect in low-lying areas by lakes, oceans, and deserts. ... They are then compressed back into rock by the weight of the materials around them and on top of them.
When an animal or plant dies they can be covered in sediments like?
But sometimes, when the conditions are just right, they're preserved as fossils. Several different physical and chemical processes create fossils, according to the New York State Geological Survey. Freezing, drying and encasement, such as in tar or resin, can create whole-body fossils that preserve bodily tissues.
What are three ways sedimentary rocks can form?
Sedimentary rock is one of the three main rock groups (along with igneous and metamorphic rocks) and is formed in four main ways: by the deposition of the weathered remains of other rocks (known as 'clastic' sedimentary rocks); by the accumulation and the consolidation of sediments; by the deposition of the results of ...
Is it possible for rocks to be formed from clay particles?
Clastic Sedimentary Rocks
Rock formed from clay-size particles are called shale. Silt-sized particles are visible with a microscope. Rock formed from these are called siltstone.
Is a sedimentary rock formed from the remains of tiny sea animals?
Minerals that are dissolved in water can form sedimentary rock. Sedimentary rock even forms from animal remains! For example, the sedimentary rock limestone is made of the remains of sea animals. Sedimentary rock covers most of Earth's surface.
How metamorphic rocks are formed?
Metamorphic rocks form from heat and pressure changing the original or parent rock into a completely new rock. The parent rock can be either sedimentary, igneous, or even another metamorphic rock. The word "metamorphic" comes from Greek and means "To Change Form".
Which of the following rocks do not contain any fossils of plants and animals?
Sorry - no fossils here! Igneous rocks form from molten rock, and rarely have fossils in them. Metamorphic rocks have been put under great pressure, heated, squashed or stretched, and fossils do not usually survive these extreme conditions. Generally it is only sedimentary rocks that contain fossils.
