SCIENCE
EARTH SCIENCE
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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presence of fossils
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cleavage planes
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lack of banding
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metallic luster
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Detailed explanation-1: -Nonfoliated metamorphic rocks lack foliated texture because they often lack platy minerals such as micas.
Detailed explanation-2: -Non-foliated rocks are types of metamorphic rock that have no arrangement or bands of grain. Marble is a type of metamorphic rock that originates from limestone. Schist is a type of metamorphic rock that can originate from slate which is another type of metamorphic rock.
Detailed explanation-3: -As the term implies, NON-FOLIATED rocks lack foliation or banding. Such rocks are most commonly composed of minerals that are neither platy nor needle-like, but rather more equidimensional (more or less the same dimension in all directions). Quartz, calcite and dolomite are the most common such minerals.
Detailed explanation-4: -Non-Foliated Metamorphic Rocks: Non-foliated metamorphic rocks do not have a platy or sheet-like structure. There are several ways that non-foliated rocks can be produced. Some rocks, such as limestone are made of minerals that are not flat or elongate.
Detailed explanation-5: -Foliated rocks are a type of metamorphic rock that has a characteristic banded (or striped) pattern. Due to extreme heat and pressure, rock minerals will flatten to create parallel layers needed to form the striped patterns in foliated rocks.