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Metamorphic Rock Identification Chart

Metamorphic Rock Identification Chart - If the rock is non foliated, use the physical properties of the materials making up the rock. Light / white, pink, yellow,tan, green. Use mineral id skills to help distinguish among some of these! Finally, compare the properties of your rock to those of known rock types while looking for other identifying characteristics. Web to identify your rock, first take note of its physical properties like color, luster, banding, layering, and grain size. In order to name metamorphic rocks, a logical first step is to examine the rock for evidence of any pattern or foliation. Micas hardly discernible, but impart a sheen or luster. A rock with visible crystals of mica and with small crystals of andalusite. Describe what recrystallization is and how it affects mineral crystals. Dense, microscopic grains, may exhibit slight sheen (or dull luster).

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Web Go To The Metamorphic Rock Identification Website That Is In The Lesson.

This is the rock name to remember when you find a hard, nondescript rock that looks like it could be slate but doesn't have slate's trademark cleavage. If foliation is present, noting the type of foliation will allow you to identify the rock. Rocks undergoing metamorphism will experience changes in both composition and texture. Exposure to these extreme conditions has altered the mineralogy, texture, and chemical composition of the rocks.

Next, Test For Hardness And Weight By Running Simple Tests.

Breaks into hard, flat sheets. Indicate in the name (s) of the probable parent rock (s) in the last column of the metamorphic rock identification form. However, current methods are inadequate for such reservoirs. Finally, compare the properties of your rock to those of known rock types while looking for other identifying characteristics.

The Mica Crystals Are Consistently Parallel To One Another.

Web 12.001 introduction to geology, blank chart for metamorphic rocks. Please note that you can expand this image to fill the screen by clicking on the blue arrows on the right side of the diagram. Describe what a contact aureole is and how contact metamorphism affects surrounding rock. A very hard rock with a granular appearance and a glassy lustre.

Dense, Microscopic Grains, May Exhibit Slight Sheen (Or Dull Luster).

Use mineral id skills to help distinguish among some of these! Web here's how to identify 44 of the most common igneous, sedimentary, and metamorphic rock types with a handy rock identification chart. Rocks fall into one of these categories depending on how they form and are then further subcategorized according to formation, composition, and other properties. Describe the role of hydrothermal metamorphism in.

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