Kafli_6_fyrirlestur_2_AH

Tuff saml volcanic breccia grf eldfjallaaska og

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Unformatted text preview: . Gler - Sideromelan – gjóska mynduð við hraðkælingu kviku. Gler gjó hraðkæ Hraðkæling - Quenching – kvika/hraun í snertingu við vatn/loft. Hraðkæ snertingu Kísilrík kvika – getur myndað gler án hraðkælingar silrí hraðkæ hrafntinna. Vikur - Pumice – froðukennt súrt berg með mikið af blöðrum, Vikur sú blö léttara en vatn. Gjall - Scoria – gler, blöðróttur basískur steinn. Gjall blöðró basí Aphanitic (fine) Phaneritic (coarse) Súr - Felsic Type Rhyolite Granite Ísúr - Intermediate Andesite Diorite Basísk - Mafic Basí Basalt Gabbro Útbasísk tbasí Ultramafic a Planet: Ármann Höskuldsson Earth: Portrait of Pikrít Pikrí Peridótít Peridó Kafli 6: Up from the Inferno: Magma and Igneous Rocks PowerPoint slides prepared by Ronald L. Parker Earlham College, Department of Geosciences Richmond, Indiana parkero@earlham.edu Earth: Portrait of a Planet: Ármann Höskuldsson Kafli 6: Up from the Inferno: Magma and Igneous Rocks Earth: Portrait of a Planet, 3rd edition 2008, by Stephen Marshak © W. W. Norton & Company Kristöllunar flokkun Kristö Crystalline Classification Samsetning. Samsetning. Áferð. ferð. Earth: Portrait of a Planet: Ármann Höskuldsson Pyroclastic Classification Tuff – Eldfjalla aska sem er samlímd. Tuff samlí Volcanic breccia – Gróf eldfjallaaska og bergbrot. Vo...
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This document was uploaded on 02/25/2014.

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