'Ultramafic rocks' diaporamas de présentation

Mineral Groups

Mineral Groups. Mineral Groups. Element Abundances. Silica (SiO 4 ) 4-. SILICATES. Common cations that bond with silica anions. All others: 1.5%. Mineral Groups. Non-ferromagnesian Silicates (K, Na, Ca, Al). Ferromagnesian Silicates (Fe, Mg). Oxides Carbonates

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Metapelites

Metapelites. Shales (Pelites): very fine-grained sedimentary rocks, composed of silicate clay minerals rich in the elements (SiO 2 , Al 2 O 3 , FeO, K 2 O, Na 2 O, H 2 O), beside other minor elements. Common metamorphic minerals include Quartz

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Geol 2312 Igneous and Metamorphic Petrology

Geol 2312 Igneous and Metamorphic Petrology. Lecture 15 Island Arc Magmatism Slides courtesy of George Winter ( http://www.whitman.edu/geology/winter/). March 2, 2009. Ocean-ocean ? Island Arc (IA) Ocean-continent ? Continental Arc or Active Continental Margin (ACM) .

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Classification of igneous rocks

Classification of igneous rocks. Chapter 2. How to classify. Composition Chemistry Mineralogy Texture/fabric. Classification based on texture/fabric. Phaneritic Minerals large to see with naked eye Cooling history? Aphanitic Minerals need microscope to see

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Chapter 29: Metamorphism of Calcareous and Ultramafic Rocks

Chapter 29: Metamorphism of Calcareous and Ultramafic Rocks. Calcareous rocks are predominantly carbonate rocks, usually limestone or dolostone Typically form in a stable continental shelf environment along a passive margin

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Chapter 29: Metamorphism of Calcareous and Ultramafic Rocks

Chapter 29: Metamorphism of Calcareous and Ultramafic Rocks. Calcareous rocks are predominantly carbonate rocks, usually limestone or dolostone Typically form in a stable continental shelf environment along a passive margin

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Biodiversity in matel rich soil

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Lecture TWELVE Metamorphism of Ultramafic rocks (Metaultramafics)

Lecture TWELVE Metamorphism of Ultramafic rocks (Metaultramafics). What is the Metaultramafics?. Metaultramafics , are metamorphosed ultramafic igneous rocks. Ultramafic rocks are generated in the upper mantle and composed of <90% mafic minerals , which include:

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