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The minerals are for the most part observable in a coarse grained igneous rock such as granite. If necessary, however, thin slices of rocks are made to be viewable under a microscope that could help identify trace minerals.
What else can I help you with?
How do geologists determine the mineral compostion of granite?
They basically cut or slice the granite apart exposing the "real" minerals inside.
What do geologists use the acid test for?
Geologists use the acid test to identify and distinguish between different types of minerals based on their reaction to acid. By observing if a mineral fizzes or dissolves when exposed to acid, geologists can determine the mineral's chemical composition.
How do geologist determine the minersl composition if granite?
by observing it,we properties of different minerals,so by observing it we are able to know which mineral is which
How do geologist determine mineral composition of granite?
They are able to slice the granite into extremely thin layers, observe it under a microscope, and view the amount and type of minerals that are present.
What is the mineral composition of granite?
the mineral composition of granite isfeldspar,diamond,talc,chalk and other plutonic rocks
What is the percent of quartz found in granite?
12 percent on a mineral composition table
What minerals determine the color of granite?
The color of granite is primarily determined by the presence of mineral crystals such as feldspar, quartz, and mica. The composition and concentration of these minerals contribute to the various colors and patterns seen in granite rocks. Additional minerals like hornblende and amphibole can also influence the coloration of granite.
What continental crust has the average composition of?
Granite. Most of the crust is composed of granite. Feldspar is the most common mineral in the earth's crust.Silicon, (Si) and Alluminium, (Al).
How can geologists test a mineral to determine its identity?
Geologists can test a mineral's identity by conducting a series of physical and chemical tests. Key methods include examining its color, streak, luster, hardness (using the Mohs scale), and cleavage or fracture patterns. Additionally, geologists may use tools like a microscope to analyze crystal structure and perform chemical tests to assess composition. These combined observations help in accurately identifying the mineral.
A rock that consists mostly of mineral quartz will have a composition very similar to?
Quartz is a major mineral in granite. Therefore, a rock consisting mostly of quartz will have a composition similar to granite. Both rocks are light in color and have a high silica content.
How do geologists learn how a rock formed?
Geologists study the rock's mineral composition, texture, and structure to determine how it formed. They also consider the rock's surroundings and the geological processes that may have been involved in its formation, such as volcanic activity or sedimentary deposition. By analyzing these factors, geologists can piece together the rock's history and understand how it was created.
What do geologists observe when studying a rock sample?
Geologists observe the color, texture, mineral composition, and structure of a rock sample to determine its formation process, age, and geological history. They may also conduct tests to analyze the chemical composition and physical properties of the rock.
