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streak
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Name three ways geologists study a rock sample?
geologists can study a rock sample by observing its composition, color, and texture. they also look at the rocks structure, hardness and weight.
Why are granitic igneous rocks lighter in color than basaltic rocks?
Because granitic rocks are poor in iron and magnesium, which gives basaltic rocks it dark color.
When rocks become reddish brown in color they have been chemically weathered through the process called?
The Weathering Cycle.
What are rocks in the sea called?
the rocks are called irone
What rocks are also called fiery rocks?
Igneous rocks
Name three ways geologists study a rock sample?
geologists can study a rock sample by observing its composition, color, and texture. they also look at the rocks structure, hardness and weight.
A sample collected by drilling into Earth's surface with a hollow drill and pulling out a column of soil and rocks?
a core sample
How rocks differ in shapehardnesstexture and color?
how do rocks differ in shape hardness color texture
Why are granitic igneous rocks lighter in color than basaltic rocks?
Because granitic rocks are poor in iron and magnesium, which gives basaltic rocks it dark color.
When rocks become reddish brown in color they have been chemically weathered through the process called?
The Weathering Cycle.
What is the definition for a drilling sample?
their drilling samples
Which characteristic is most responsible for the color of different types of rocks?
The mineral constituents of rocks are the major source of their color.
Does toothpaste contain material from rocks?
It can. Some of the abrasive material might come from finely powdered rock, as can the flourine.
What is an iceberg's composition and color?
An iceberg composition is almost entirely ice, with some rocks and other material's. white in color and the color of the rocks and minerals.
Rocks formed from weathered debris from preexisisting rocks are called?
They are called clastic sedimentary rocks.
What are rocks in the sea called?
the rocks are called irone
If you examined a rock sample and observe fossils in it what type of rock does the sample represent?
Fossils are only found in rocks that are laid down on the surface of the Earth. The majority of fossiliferous rocks are therefore sedimentary BUT fossils are also occasionally found in lava flows (igneous rocks) - eg lava trees and in some metamorphosed sedimentary rocks (metamorphic rocks) - eg the "delabole butterfly"
