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size, shape, and relationship to the surrounding rock layers

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12y ago
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Igneous rocks are classified according to theirorigin, texture, and mineralcomposition.

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Igneous rocks are classified according

To their orgin, texture, and mineral compostition.

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the bottom surface of the sea.silk and dike.

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size

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relationship to the surrounding rock layers

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Q: What are the three major characteristics that geologists use to identify igneous rocks?
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What is a geologist? A geologist is a person who studies the Earth and the materials it's made up of (A.K.A. geology). Geologists are also the subject of this speech. There are many kinds of geologists like economic geologists and marine geologists are two examples but I'm just going to deal on the general geologist. A major science they use is Earth science. Earth Science is any of the basic geologic sciences that are connected with the source, arrangement, and physical phenomena of the earth. Using this science geologists can identify countless things. They also identify rocks & minerals. To help identify a mineral's hardness, geologists use Moh's Mineral Scale of Hardness. This scale lists 1-10 weakest to hardest minerals. Moh's Scale is very helpful to geologists. There is also a lot of math involved with geology. One of these is calculus. Calculus is analysis of numbers with special symbols. Calculus helps with making graphs, diagrams, 3-D and 2-D maps, etc. Plus, using calculus geologists can make mathematical models to find oil. Most geologists need to use calculus! SO CALCULUS IS VERY VERY important to Earth Science. Like I said before, geologists are very good at studying rocks. There are three types of rocks: Igneous which is formed by magma and/or lava, Sedimentary which is formed by tiny & big sediments and Metamorphic which is a rock changed by heat & pressure. An example of Igneous is Basalt, a sedimentary is shale and a metamorphic is quartzite. Guess who figured this out. GEOLOGISTS! If it weren't for geologists, we really wouldn't know what rocks were, are, and will be.


What are the three major igneous rocks?

(.) (.) ) ( \ / this what do you called amajor igneous rock


What types igneous rocks do not belong to any of the three major igneous rocks families?

granodiorite, pyroxentite,dunite, and periodite rocks do not belong in the three major igneous rock families.


How have earthquakes helped geologists identify major plates on earth?

The vast majority of earthquakes that happened or are happening tend to concentrate in certain areas. Seismologist plot these on a map and they mark the boundaries of the Earth's plates.


Which of the six major kinds of rock are intrusive and which are extrusive?

The six major types of igneous rock are as follows: Intrusive igneous rocks: Granite, Diorite, and Gabbro Extrusive igneous rocks: Rhyolite, Andesite, Basalt


What are the characteristics of a sole trader?

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What are the major classification of rocks?

igneous, metamorphic, and sedimentary


What are the major rock classifications?

igneous, metamorphic, and sedimentary


What are 3 major rock types?

Igneous Rocks,Sedimentary Rocks,Metamorphic Rocks.


Three major classics of rocks?

Igneous, Sedimentary, Metamorphic


What are the three major rock classifications?

igneous, metamorphic, and sedimentary