No. I believe they are called chemical precipitate sedimentary rocks. Yes, I'm sure they're called that. Absolutely! Porphyritic is a term usually applied to igneous rocks, having to do with mineral formation and rock texture.
Sedimentary rocks are classified into three main types based on their formation processes: clastic, chemical, and organic. Clastic sedimentary rocks are formed from the accumulation and compaction of mineral and rock fragments, such as sandstone. Chemical sedimentary rocks result from the precipitation of minerals from solution, like limestone, while organic sedimentary rocks are composed of organic materials, such as coal, formed from the remains of plants and animals. Each type reflects different environmental conditions and processes.
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Evaporites are sedimentary rocks that form when dissolved minerals are left behind from an evaporated solution. Examples include rock salt (halite), gypsum, and some types of limestone.
Sedimentary rocks are classified into three main types based on their formation processes: clastic, chemical, and organic. Clastic sedimentary rocks are formed from the accumulation and compaction of mineral and rock fragments, such as sandstone and shale. Chemical sedimentary rocks result from the precipitation of minerals from solution, exemplified by limestone and rock salt. Organic sedimentary rocks, like coal, form from the accumulation of plant or animal debris.
Sedimentary rock is dependent on minerals because it is formed from the accumulation and cementation of mineral particles, including fragments of other rocks, organic materials, and minerals precipitated from solution. The specific minerals present in sedimentary rocks, such as quartz, calcite, and clay minerals, influence their properties, composition, and the environments in which they form. Additionally, the mineral content affects the rock's durability, color, and potential for fossil preservation, making minerals crucial to the classification and understanding of sedimentary rocks.
Chemical sedimentary rocks, such as limestone and chert, are not classified by the size of clastic sediment that forms them, as they are formed from dissolved minerals that precipitate out of water. These rocks are made up of minerals that have been dissolved in water and then later crystallize out of solution.
When minerals crystallize from a solution
These minerals are called evaporites.
Chemical sedimentary rocks form by precipitation of minerals from water. Precipitation is when dissolved materials come out of water. For example: Take a glass of water and pour some salt (halite) into it. The salt will dissolve into the water.
The sedimentary rock formed from minerals precipitating from a solution is called chemical sedimentary rock. It is formed through processes such as evaporation or chemical reactions, without the involvement of organic material or clastic particles.
Evaporation of a solution containing certain minerals may cause those minerals to crystalize, forming a solid.
Sedimentary rocks are classified into three main types based on their formation processes: clastic, chemical, and organic. Clastic sedimentary rocks are formed from the accumulation and compaction of mineral and rock fragments, such as sandstone. Chemical sedimentary rocks result from the precipitation of minerals from solution, like limestone, while organic sedimentary rocks are composed of organic materials, such as coal, formed from the remains of plants and animals. Each type reflects different environmental conditions and processes.
sedimentary rock
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Evaporites are sedimentary rocks that form when dissolved minerals are left behind from an evaporated solution. Examples include rock salt (halite), gypsum, and some types of limestone.
Sedimentary rocks are classified into three main types based on their formation processes: clastic, chemical, and organic. Clastic sedimentary rocks are formed from the accumulation and compaction of mineral and rock fragments, such as sandstone and shale. Chemical sedimentary rocks result from the precipitation of minerals from solution, exemplified by limestone and rock salt. Organic sedimentary rocks, like coal, form from the accumulation of plant or animal debris.
They are classified as clastic or non-clastic. Clastic sedimentary rocks are formed from rock particles of various sizes. Non-clastic rocks are formed from precipitation of minerals out of solution or by the lithification of organic matter.