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What happen 800 million years after Earth formed to allowed rocks to form?
Earth cooled sufficiently
What are igneous rocks that form on earth surface?
igneous rocks that form on earth's surface
What rocks originate from the surface of the earth?
Sedimentary rocks form on the Earth's crust, and can form metamorphic rocks when buried. Igneous rocks form under the surface, or when liquid magma reaches the surface as lava.
Which igneous rocks form below earth's surface?
Igneous rocks that form below the Earth's surface are called intrusive igneous rocks. Examples include granite, diorite, and gabbro. These rocks cool and solidify slowly, allowing large crystals to form.
Where does extrusive rocks form?
At the Earth surface.
Why sedimentary rocks could not have been the first rocks on earth?
Sedimentary rocks form from the accumulation of sediment such as sand, silt, or clay. For sedimentary rocks to form, there must be pre-existing rocks that weather and erode to produce sediment. Therefore, sedimentary rocks could not have been the first rocks on Earth as they require the presence of older rocks to form.
What type of rock can only form on or near earths surface?
Sedimentary rocks are the type of rocks that can only form on or very near Earth's surface. Sedimentary rocks form from weathering processes that occur on Earth's surface.
Is it true that igneous rocks form only beneath earths surface?
No, igneous rocks can form both beneath and above the Earth's surface. Intrusive igneous rocks form beneath the surface as magma cools and solidifies underground. Extrusive igneous rocks, on the other hand, form on the Earth's surface when lava cools and solidifies quickly.
What kinds of rocks form most of the crust of the earth?
The majority of Earth's crust is composed of igneous rocks, particularly basalt and granite. These rocks form through the cooling and solidification of molten material from beneath the Earth's surface.
How are moon rocks similar to and different rocks on earth?
Minerals that make up moon rocks are the same minerals that are found on Earth. Some moon rocks have minerals that combine to form kinds of rocks that are not found on Earth. BlueStar(:
Contrast the ways in which extrusive and intrusive rocks are formed?
Intrusive rocks form within the crust of the Earth while extrusive rocks form on the surface.
Why have paleontologist not found any rocks from the earliest years of Earth?
It was to hot for rocks to form
