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What are rocks that have visible layers and elongated mineral grains?
Rocks with visible layers and elongated mineral grains are called foliated rocks. These rocks form under high pressure and temperature conditions, causing minerals to align in layers or elongate in a specific direction. Examples include schist and gneiss.
What is likely to be true about the age of rocks in deeper and deeper layers?
In general, rocks found in deeper layers are older than rocks found in shallower layers due to the principle of superposition, which states that younger rocks are usually on top of older rocks. This is based on the idea that sedimentary rock layers are deposited in chronological order over time.
Why can you see layers in foliated rocks but not in nonfoliated rocks?
Foliated rocks have minerals aligned in layers due to pressure causing them to reorganize, resulting in a banded appearance. Nonfoliated rocks lack this alignment, so they do not exhibit distinct layers. Factors like heat and pressure drive the formation of foliation in rocks like gneiss and schist, while nonfoliated rocks like marble and quartzite do not have this structural feature.
In rock layers what is usually found at the bottom?
In rock layers, the oldest rocks are typically found at the bottom. This is due to the principle of superposition, which states that in an undisturbed sequence of sedimentary rocks, the oldest rocks are deposited first and are at the bottom, while the youngest rocks are at the top.
What rocks form from layers of materials that settle and are cemented together by pressure?
Sedimentary rocks, such as sandstone and shale, form from layers of materials that accumulate and undergo compaction and cementation over time. These rocks typically contain fossils and provide important clues about Earth's history.
What kind of rocks form layers?
sedimentary
What kind of rock is made up of layers?
Sedimentary Rock is made up of layers of different rocks.
What kind of rocks is made from layers os compressed sediments?
Gravel
What kind of rocks form when other pieces of rock and matter gather into layers?
a sedimentary rock is formed. depending on which rocks were squished, you can get different rocks
What are foliated metamorphic rocks?
Foliated rocks have layers in them. We often refer to the layers as Banding.
What types of rocks ared often arranged in layers?
Sedimentary rocks are the type of rocks that are mostly arranged in layers. The way in which the layers are arranged is commonly called bedding.
How many layers do metamorphic layers have?
a metamorphic rock is a rock that has been changed from one rock to another by heat and/or pressure.....they amount of layers would depend on what kind of rock.....all rocks have a different amount of layers sorry
How were rocks used in the building of some types of castle?
Two layers of rocks (gaps in rocks filled with mortar) and earth in between the two layers of rocks.
What kind of rocks would you find fossils in and why?
Fossils are found in sedimentary rock because it is layers of sand, rock, and sediments, and the bones fall between the layers where the form into fossil's.
What kind of mountain range is formed when rocks layers are squeezed and forced upward?
Volcanic Mountains Folded Mountains to be correct!
Are rocks formed in layers?
Sedimentary rocks. An example is sandstone.
What kind of sedimentary rocks are formed when sediments are deposited in layers at the bottoms of lakes and oceans?
sedimentary rock formed by weathering and erosion
