Perhaps "banded rocks"...
foliated
The different bands in sedimentary formations are called strata.
Rocks with alternating bands of light and dark silicate minerals are called gneiss. Gneiss is a metamorphic rock formed under high temperature and pressure conditions, which causes the minerals within it to align in bands or layers.
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Rocks with stripes are known as banded rocks or striped rocks. These stripes are often caused by the layering of different minerals or the presence of alternating bands of different mineral compositions within the rock.
Metamorphic rock with mineral grains arranaged in bands or lamellar planes are called foliated metamorphic rocks.
It is foliated
Metamorphic rock with mineral grains arranaged in bands or lamellar planes are called foliated metamorphic rocks.
non-foliated.
Yes, sedimentary rocks can contain bands or layers of minerals. These bands are often formed through various processes such as sediment deposition, compaction, and cementation. The minerals within these bands can vary in composition and can provide valuable information about the depositional environment and the history of the rock.
they have more crystals
Metamorphic rocks that have a banded appearance due to the alignment of minerals are called foliated metamorphic rocks. This banding occurs as a result of directional pressure during metamorphism, causing the minerals to realign and form distinct layers or bands. Common examples of foliated metamorphic rocks include schist and gneiss.