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Cummingtonite

Cummingtonite

Grunerite is an end member of the cummingtonite-grunerite series. Structure and composition are anal-ogous to cummingtonite. The name grunerite is by definition restricted to compositions close to end member Fe7Si8O22(OH)2.

Grunerite

Spodumene

Spodumene

Cummingtonite

Muscovite

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Evolution of Indian Plate

Evolution of Indian Plate

        Before 200 MA the whole world was one peace which known as Pangea and surrounded by Panthalassa ocean, and then consequence the drift of continental started and Pangaea separated to two part on the north known as Laurasia and on the south Gondwana where the Indian …

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PYROCLASTIC FLOW

INTRODUCTION:- Although the word volcano may indicate poisonous ash moving up like a mushroom and bright hot dangerous lava flowing at an escapable pace yet there is something that always skips people’s mind i.e. Pyroclastic flow. Pyroclastic flow or Pyroclastic density current or Pyroclastic cloud is a fast moving current …

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Seismic Wave Types

Seismic waves can also be labeled by the paths they take in the Earth. Body waves (P or S) travel through the interior of the Earth. Surface Waves travel along the Earth surface. Their speeds are slower and their amplitudes decrease slowly with distance compared to the body waves. Two …

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