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Rocks and minerals are tested to discover their age, how they were formed, and what they are made of. Mining and energy exploration companies rely on this information in order to make decisions on investments and revenues involving billions of dollars. Academically, the study and testing of rocks and minerals adds to the base of scientific knowledge which has a multitude of uses to governments, businesses, and individuals.

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14y ago
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7y ago

by studying its features.

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Q: How can geologists determine how a rock was formed?
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Related questions

How are index fossils used by uniformitarian geologists?

Uniformitarian geologists will use this method to determine which layer of rock formed at which time period of earth's history, and the order of the formation.


How do geologists learn how a rock formed?

Geologists can learn how a rock formed by studying its features. Two features that are especially helpful for classifying rocks are composition and texture.


Geologists would used qualitative measurement to?

- to determine the chemical nature of a rock - to determine the age of a rock by comparison


How do geologists classify igneous rock?

Geologists classify rocks by where they are formed; above ground or under ground


How do geologists determine a rock's texture?

By looking at the size, shape, and pattern of the rock's grains or crystals.


What is the fossil called that geologists use to determine rock ages?

Index Fossil


What clues does extrusion tell geologists?

Geologists study where intrusion and extrusion formed in relation to other rock layers. This helps geologists understand the relative ages of the different types of rock! Hope it helps;)😊


What describes a rock's texture geologists determine?

The size shape and pattern of the rocks grains


Why don't geologists find fossils in a metamorphic rock?

Metamorphic rock is formed deep in the Earth's crust under tremendous heat and pressure. Fossiles are formed in sedimentary rock near the surface.


What do geologists use to determine the absolute ages of rock?

Radioactive dating is used to determine the absolute ages of rocks. By Jennifer Palos


What method do geologists to determine the absolute age of a rock?

Radioactive dating is used to determine the absolute ages of rocks. By Jennifer Palos


What is the technique in which natural laws govern the way geologists determine the age of rock deposits?

Relative Dating is the technique used to determine the age of rock deposits by natural forces.