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‎metamorphic rocks associated with contact metamorphism 15‏ تماد
‎ Blueschist, eclogite, serpentinite (ए) ടി. phyllite, schist, gneiss‏ )^(

‎(८) Hornfels, marble, calcsilicate (D) Meta basall, greenstone, meta gabbro

‎A plagioclase-lree mafic rock mainly compased of omphacite and garnet is
(ಸಿ) Eclogite (B) Khondalite (€) Skarn (D) Charnockite

‎An represents the first appearance of a particular metamorphic index mineral

‎in the field as one progresses up metamorphic grade.

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‎(8) Isopleth (€) னும்‌ (D) Isoline

‎பிபா to the blueschist rocks is :

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‎The characteristic mineral that imparts the hiue ¢

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‎

‎

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‎(^) Kyanite (B) Beryl (<) Glaucophane (D) Blue calcite

‎The protolith of marble 1s typically 0

‎)۸( ‏پ+٤+‎ (8) Granite (C) Sandstone (D) limestone

‎d porphyroclasts can be subdivided into _ types

‎(ಗ) ‏ما‎ (B) © (८) णा (D) ॐ

‎Unreacted mineral grain inclusions in poikiloblasts is

‎(ಗಿ) Corona (B) Rapakivi (€) Ophitic texture (D) Armoured relics
metamarphic texture in which interpenctrating platy or columnar grains are more or 1055
domly oriented is

‎(ക) Decussale (क) Augen യ Granoblastic = (9) Graphic

‎The smaller folds, which oceur on the limbs or hinge of the larger folds, are known as

‎

‎(A) Monoclines (0) . 80% 1010 (C) Parasitic folds (D) Fan folds

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‎The folds in which the orthogonal thickness of the folded layer changes in a systematic way
such that the fold maintains a constant thickness measured parallel to the axial surface is

‎r fold

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‎Parallel fold (<) Chevronfold (D) Drag folds

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‎2019 8 Al

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