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Why do rock fossils form in sedimentary rock and not in igneous rock?
because sedimentary rocks are on the top layer, while igneous rocks are were the magma is
To date a sedimentary rock layer between two igneous rock units geologists use radiometric dating and assume that the sedimentary layers are?
Geologists use radiometric dating of the igneous rock units above and below the sedimentary layer to establish a time range for the sedimentary rock. They assume that the sedimentary layers are younger than the underlying igneous rock and older than the overlying igneous rock, based on the principle of superposition. This allows them to estimate the age of the sedimentary layer by determining the ages of the surrounding igneous rocks.
To date a sedimentary rock layer between two igneous rock units geologists use radiometric dating and assume that the sedimentary layer and age .?
To date a sedimentary rock layer between two igneous rock units, geologists typically use radiometric dating on the igneous rocks above and below the sedimentary layer. They assume that the sedimentary layer was formed after the lower igneous layer and before the upper igneous layer, thus establishing a relative age. The ages obtained from the igneous rocks provide a minimum and maximum age for the sedimentary layer, allowing geologists to estimate its age within that timeframe. This technique relies on the principle of stratigraphy and the law of superposition.
How does a Sedimentary rock to an igneous rock?
The sedimentary rocks would have to melt and cool again to make an igneous rock.
What layer of the earth is composed of igneous metamorphic and sedimentary rock?
The crust.
Why do rock fossils form in sedimentary rock and not in igneous rock-?
Fossils are formed in sedimentary rock because the rock is formed at temperatures that do not destroy the fossils like the igneous rocks would.
What causes igneous rocks to become sedimentary rocks?
If other layers of rock, dirt, dust, and sand are put on top of the igneous rock and the layers are compressed by their own weight, they become a single, unified layer of sedimentary rock. Simple Version: 1. Igneous rock 2. More rocks are put on the igneous rock. 3. The rock on top push down and squeeze the all of the layers into one layer.
What is the process sedimentary to igneous?
In order to get an igneous rock from a sedimentary rock, the sedimentary rock must be melted and then that melt must crystallize.
Is a sedimentary rock an igneous rock?
No. Igneous, sedimentary, and metamorphic rocks are three different categories of rock.
What can transform igneous rock into sedimentary rock?
Igneous rock can become sedimentary if it is weathered into sediment and then lithified.
What is the most common type of rock on earth's surface?
Sedimentary Rocks. 75% of rocks exposed to the surface are sedimentary.
What type of rock igneous metamorphic or sedimentary makes up most of the continents?
The type of rock would be igneous.
