Answer :
No chlorite and biotite are not platy minerals. They are not foliated.
because touch metamorphism is what creates them. Pressure has no significant impact in contact metamorphism, but temperature does. A component of pressure is necessary for foliation to develop. Foliation eventually formed at a specific orientation. Such circumstances are not present in this instance of touch metamorphism. Consequently, platy minerals won't be developed.
platy used to minerals that form crystals with slender, leaf-like layers. A good example comes from the mica family of minerals, which cleaves along rows of alkali atoms in the crystal structure. An earth sciences dictionary. "platy ."
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