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Rock Type

Rock Type . Modulus of Elasticity. - . (MPa x 1000). Limestone . 3-27. Dolomite . 7-15. Limestone (very hard) . 70. Sandstone . 10-20. Quartz-sandstone . 60-120. Greywacke . 10-14. Siltstone . 3-14. Gneiss - fine . 9-13. Gneiss - coarse . 13-23. Schist - Micaceous . 21.

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Rock Type

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  1. Rock Type Modulus of Elasticity - (MPa x 1000) Limestone 3-27 Dolomite 7-15 Limestone (very hard) 70 Sandstone 10-20 Quartz-sandstone 60-120 Greywacke 10-14 Siltstone 3-14 Gneiss - fine 9-13 Gneiss - coarse 13-23 Schist - Micaceous 21 Schist - Biotite 40 Schist - Granitic 10 Schist - Quartz 14 Granite - very altered 2 Granite - slightly altered 10-20 Granite - good 20-50 Quartzite - Micaceous 28 Quartzite - sound 50-80 Dolerite 70-100 Basalt 50 Andesite 20-50 Amphibolite 90

  2. Table 1: Viscosity of Selected Fluids and Materials VISCOSITY VALUES Fluid/Material Temperature (C) Viscosity (Pa-s;Pascal-seconds =Newton-seconds/m2)* Air 20 1.8  10-5 Water 20 1.0  10-3 Honey 20 1.6 Flowing hot lava(Hawaiian volcano) ~ 1150 ~ 80 Glass ~ 20 ~ 1012 Ice 0 ~ 1012 Rock Salt 20 ~ 1014 Shallow mantle ~ 1000 ~ 1023-1024 Asthenosphere ~ 1300 ~ 1019-1020 Deep mantle > 1500 ~ 1021-1022 *Viscosity is often given in units of Poise; 10 Poise = 1 Pa-s.

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