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They are references to the rock's texture.
The size of the mineral crystals which comprise the rock.
The crystalline structure and texture.
Radioactive dating is used to determine the absolute ages of rocks. By Jennifer Palos
To determine the texture of rock when rock is forming , you must test the mohs hardness scale and wait for the feedback. Then analyze the information into categories of largest to smallest. Once you do that you must share your answer if it is either igneous, metamorphic, or sedimentary.
By looking at the size, shape, and pattern of the rock's grains or crystals.
The size shape and pattern of the rocks grains
They are references to the rock's texture.
Geologists can learn how a rock formed by studying its features. Two features that are especially helpful for classifying rocks are composition and texture.
The size of the mineral crystals which comprise the rock.
By their provenance, appearance, texture and mineralogy.
- to determine the chemical nature of a rock - to determine the age of a rock by comparison
geologists can study a rock sample by observing its composition, color, and texture. they also look at the rocks structure, hardness and weight.
Texture.
Index Fossil
These characteristics determine a rock's texture.
The crystalline structure and texture.