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It could be a sedimentary rock or a foliated metamorphic rock exhibiting alternating bands of light and dark minerals.
The term is foliation.
The bands of light and dark are classic signs of Gneiss (Gneissose banding), but Gneiss is not necessarily shiny. It may be sparkly, but not shiny. However, a Slate IS shiny, but does not have the pretty banding. Another consideration is Schist, which has similar characteristics to Gneiss. My advise is that if you are classifying a rock that you are looking at, consider the grade of metamorphism, as it certainly is metamorphic. Also consider the mineralogy: what are the light and dark bands? Quartz, Feldspar (light)? Mica (biotite) (dark)? There are many possibilities. The mineralogy will help determine the original sedimentary rock, which you can then use to determine the metamorphic sample you have.
no, generally darker granite is harder and weighs more, has less water absorption abilities.
Saturn is the planet that will answer your question
Yes. This metamorphic rock can be made from granite; wavy bands of dark and light layers.
It could be a sedimentary rock or a foliated metamorphic rock exhibiting alternating bands of light and dark minerals.
It could be a sedimentary rock or a foliated metamorphic rock exhibiting alternating bands of light and dark minerals.
The term is foliation.
Yes, in striated muscle you can think of the "A" bands as the dArk bands and the "I" bands as the lIght bands.
Yes, smooth muscle has alternating dark and light bands known as the A and I bands, respectively.
It could be foliated metamorphic rock or sedimentary rock, depending on its mineral makeup and method of formation.
The alternation dark and light bands are found in muscles of humans and animals. They give the muscle fibers their striated appearance.
Skeletal and cardiac muscle tissues are both considered as striated, which means that they have light and dark bands.
The property of light which on passing through two slits gives bright and dark bands is interference
A and I bands
The bands of light and dark are classic signs of Gneiss (Gneissose banding), but Gneiss is not necessarily shiny. It may be sparkly, but not shiny. However, a Slate IS shiny, but does not have the pretty banding. Another consideration is Schist, which has similar characteristics to Gneiss. My advise is that if you are classifying a rock that you are looking at, consider the grade of metamorphism, as it certainly is metamorphic. Also consider the mineralogy: what are the light and dark bands? Quartz, Feldspar (light)? Mica (biotite) (dark)? There are many possibilities. The mineralogy will help determine the original sedimentary rock, which you can then use to determine the metamorphic sample you have.