Download
slide1 n.
Skip this Video
Loading SlideShow in 5 Seconds..
Igneous Rock Identification PowerPoint Presentation
Download Presentation
Igneous Rock Identification

Igneous Rock Identification

205 Vues Download Presentation
Télécharger la présentation

Igneous Rock Identification

- - - - - - - - - - - - - - - - - - - - - - - - - - - E N D - - - - - - - - - - - - - - - - - - - - - - - - - - -
Presentation Transcript

    1. Igneous Rock Identification

    2. ESRT Page 6 Igneous Rock Scheme

    3. Obsidian Non-Vesicular Glassy Texture Felsic Composition Usually Black may be Brown Extrusive

    4. Pumice Vesicular Glassy Texture Felsic Composition Very Light Weight Extrusive

    5. Rhyolite Non-Vesicular Fine Texture Felsic Composition Very Light Weight Pinks, White, Clear and Black Extrusive

    6. Vesicular Andesite Vesicular Fine Texture Intermediate Composition Gray, Tan, Brown Extrusive

    7. Scoria Vesicular Fine Texture Intermediate Composition Dark Brown, Grey Extrusive

    8. Andesite Non-Vesicular Fine Texture Intermediate Composition Grays to Brown Extrusive

    9. Basalt Non-Vesicular Fine Texture Mafic Composition Blacks to Greens Extrusive

    10. Granite Non-Vesicular Coarse Grained Texture Felsic Composition Pinks, White, Clear and Black Intrusive

    11. Diorite Non-Vesicular Coarse Grained Texture Intermediate Composition White, Clear, Gray and Black Intrusive

    12. Gabbro Non-Vesicular Coarse Grained Texture Mafic Composition White, Gray, Black and Greens Intrusive

    13. Pegmatite Non-Vesicular Very Coarse Grained Texture Felsic Composition Pinks, White, Clear and Black Intrusive