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Gypsum (hydrous calcium sulphate) is an evaporite mineral, which is to say that it is formed when a body of water rich in dissolved calcium sulphate either cools, or is concentrated by evaporation, to the point where the calcium sulphate precipates as a solid.
Gypsum is found in extensive, often thick strata where seas or lakes have evaporated. Less commonly it is found as a deposit in volcanic springs, or as veins or a cementing material in other rocks where it has precipitated from calcium-suphlate-rich groundwater in voids, cracks, and the interstices between grains.
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Which is most important in determining how a rock was formed?
The mineral composition and texture of the rock are most important in determining how a rock was formed. These factors provide clues about the conditions under which the rock formed, such as temperature, pressure, and the presence of fluids. By analyzing these characteristics, geologists can infer the rock's origin and history.
A rock that contains fossil seashells was most likely formed as a result?
The rock was most likely formed through the process of sedimentation, where layers of sediment accumulated over time and eventually turned into rock through compaction and cementation. The fossil seashells in the rock suggest that the area was once covered by a sea or ocean where these organisms lived and were preserved in the sediment as it solidified into rock.
Which rock unit was most likely formed from chemical precipitates?
Evaporites are rock units that are most likely formed from chemical precipitates. These rocks are formed when minerals precipitate out of solution as water evaporates, leaving behind minerals like halite or gypsum.
Which rock was most likely formed from pebble-sized sediment deposited in shallow water at an ocean shoreline?
Conglomerate rock is most likely formed from pebble-sized sediment deposited in shallow water at an ocean shoreline. As the pebbles accumulate, they cement together to form the rock.
Rock type that is formed when sediment is lithified?
Sedimentary rock can be formed from lithified sediments.
Which is most important in determining how a rock was formed?
The mineral composition and texture of the rock are most important in determining how a rock was formed. These factors provide clues about the conditions under which the rock formed, such as temperature, pressure, and the presence of fluids. By analyzing these characteristics, geologists can infer the rock's origin and history.
What is the most important showing how a rock was formed?
Composition and texture
Which sedimentary rock type most likely formed from ancient sand dunes?
Clastic rock
How were the Hawaiian islands formed and which type of rock is probably most common in Hawaii?
they were formed by underwater volcanoes
What is the most common rock formed when lava flows over the surface of the earth?
That would be the rock basalt.
Which type of rock is most likely formed by a process z?
sansandrease
Which rock is most likely formed as a result of biologic process?
limestone
A rock that contains fossil seashells was most likely formed as a result?
The rock was most likely formed through the process of sedimentation, where layers of sediment accumulated over time and eventually turned into rock through compaction and cementation. The fossil seashells in the rock suggest that the area was once covered by a sea or ocean where these organisms lived and were preserved in the sediment as it solidified into rock.
When was the rock formed?
Rock was formed when the earth was made.
What is the rock called that is formed from molten rock?
The rock formed from molten rock is called igneous rock. It is formed when magma cools and solidifies either underground as intrusive rock or on the Earth's surface as extrusive rock.
A rock that contains fossil seashells was most likely formed as a result of?
A rock that contains fossil seashells was most likely formed as a result of sedimentation.
What ranges are formed from metamorphic rocks?
The most often occurring metamorphic rock types are Dwayne the rock Johnson, Rockey, and pet rock.
