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Non-foliated metamorphic rock, like quartzite and marble.
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∙ 15y ago
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∙ 13y agononfoliated
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What Mineral alignment in a metamorphic rock usually gives the rock a porphyritic texture?
A porphyritic texture can be a feature of igneous rocks, but 'porphyritic' is not used to describe metamorphic rock texture. Metamorphic rocks can be foliated or non-foliated, terms used to describe mineral alignment or banding, or the lack thereof.
How you will know that the rock is metamorphic rock?
You can identify metamorphic rocks by various minerals or a lack of thereof (mineralogy), also by foliation: whether they're foliated or non-foliated. If they show presence of shistosity or gneissosity (alignment of minerals ) , fissility and grunular appearance.
Texture term for metamorphic rock which lack banding?
The Texture term for metamorphic rock which are not banded or layered is non-foliated metamorphic rock. Good examples are marble and quartzite.
Which is a characteristic of all nonfoliated metamorphic rocks?
Lack of banding
Are sedimentary rocks classified tofoliated sedimentary rocks?
Metamorphic rocks are classified by foliation or lack there of, not sedimentary rocks. They are classified into Clastic Sedimentary, and Chemical Sedimentary.
What is the texture term for metamorphic rocks which lack banding?
Non-foliated
What Mineral alignment in a metamorphic rock usually gives the rock a porphyritic texture?
A porphyritic texture can be a feature of igneous rocks, but 'porphyritic' is not used to describe metamorphic rock texture. Metamorphic rocks can be foliated or non-foliated, terms used to describe mineral alignment or banding, or the lack thereof.
Which kind of metamorphic rocks are massiv and lack banding?
nonfoliated rocks
How you will know that the rock is metamorphic rock?
You can identify metamorphic rocks by various minerals or a lack of thereof (mineralogy), also by foliation: whether they're foliated or non-foliated. If they show presence of shistosity or gneissosity (alignment of minerals ) , fissility and grunular appearance.
Texture term for metamorphic rock which lack banding?
The Texture term for metamorphic rock which are not banded or layered is non-foliated metamorphic rock. Good examples are marble and quartzite.
Which is a characteristic of all nonfoliated metamorphic rocks?
Lack of banding
What kind of metamorphic rocks are massive and lack banding?
Marble and quartzite are two examples of metamorphic rocks that lack banding and are massive. The lack of banding may indicate that the metamorphism may be due to a greater factor of heat than of pressure.
How rough is a metamorphic rock?
Metamorphic rocks generally are not categorized by their roughness, but instead by their degree of foliation or lack of it. The "roughness" of a metamorphic rock is unknown unless sample is in hand.
Are sedimentary rocks classified tofoliated sedimentary rocks?
Metamorphic rocks are classified by foliation or lack there of, not sedimentary rocks. They are classified into Clastic Sedimentary, and Chemical Sedimentary.
What is a nonfoliated texture?
A non-foliated rock is a metamorphic rock that does not display a lamellar texture or distinct light and dark banding common to foliated metamorphic rocks. Non-foliated rock includes quartzite, marble, and metabasalt. Non-foliated metamorphic rocks are most often derived from single mineral sedimentary rocks like limestone and quartz sandstone. == == == ==
Why are some metamorphic rocks foliated but others lack folitation?
Nonfoliated metamorphic rocks such as marble and quartzite derived their metamorphism more from heat than from directional pressure. Foliations form at right angles to intense directional pressures. Nonfoliated metamorphic rocks like quartzite and marble are mainly single-mineralic in composition, and would therefore not tend to display layering.
In which region is there a lack of layering due to good mixing?
the open ocean
