Cross Cutting Relationships
Granite is classified as an intrusive igneous rock.
An igneous rock can be metamorphosed (changed) into a metamorphic rock but will no longer be an igneous rock. An igneous body can be intruded into metamorphic rocks but will still be an igneous rock that is different from the surrounding metamorphic rocks. Ethier answer work depending on how the question is read.
An igneous intrusion is younger because it forms after the surrounding rocks have already solidified. Magma forces its way into the existing rock layers, and once it cools and solidifies, it is considered younger than the surrounding rocks. This relationship helps geologists determine the sequence of geological events.
Igneous rock can be found on the surface in areas of current or recent volcanism or in uplifted and eroded areas of past platonic intrusions, deep underground nearly anywhere, or in areas of past or present glaciations, where igneous rock has been eroded and deposited.
Intrusions of igneous rock are typically younger than the rock layers they penetrate. This is because the magma that forms igneous intrusions is usually injected after the surrounding rocks have already solidified and formed.
Intrusive igneous rocks are formed by magma. Magma can also cause the contact metamorphism of rock that it is intruded into.
Granite is classified as an intrusive igneous rock.
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An igneous rock can be metamorphosed (changed) into a metamorphic rock but will no longer be an igneous rock. An igneous body can be intruded into metamorphic rocks but will still be an igneous rock that is different from the surrounding metamorphic rocks. Ethier answer work depending on how the question is read.
igneous rocks
The youngest rocks would be igneous, those created by cooling magma. Impossible to find a fossil there.
An igneous intrusion is younger because it forms after the surrounding rocks have already solidified. Magma forces its way into the existing rock layers, and once it cools and solidifies, it is considered younger than the surrounding rocks. This relationship helps geologists determine the sequence of geological events.
Igneous rock can be found on the surface in areas of current or recent volcanism or in uplifted and eroded areas of past platonic intrusions, deep underground nearly anywhere, or in areas of past or present glaciations, where igneous rock has been eroded and deposited.
Rhyolititcen rocks.
This is known as igneous petrogenesis.The liquification process is known as melting (or partial melting as commonly not all mantle material melts at the same temperature). This material is then normally either erupted onto the Earth's surface forming extrusive igneous rocks or intruded into the earth's crust froming intrusive igneous rocks when it cools. Together they can be thought of as the formational process that igenous rocks undergo which is known as igneous petrogenesis.
Between 50 and 200 km below Earth's surface
Igneous rocks are formed by the solidification of molten materials.