Chemical and Physical Studies in the Metamorphism of Rocks: Based on a Thesis (with Appendices) Written for the Doctorate in Science in the University of London |
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Page 18
... slates of the Cornish Peninsula existed as metamorphic rocks ( i.e. cleaved and in places contorted ) long before the intrusion of granite . There the contact metamorphism extends to a short distance only ( quite distinguishable by ...
... slates of the Cornish Peninsula existed as metamorphic rocks ( i.e. cleaved and in places contorted ) long before the intrusion of granite . There the contact metamorphism extends to a short distance only ( quite distinguishable by ...
Page 24
... slates , and in shales , as separation - products from the original materials of the rock ( see Sect . iv . ) . In the separation - out of the siliceous cementing - material of altered and compacted volcanic tuffs . C. In the ...
... slates , and in shales , as separation - products from the original materials of the rock ( see Sect . iv . ) . In the separation - out of the siliceous cementing - material of altered and compacted volcanic tuffs . C. In the ...
Page 49
... Slate Conglomerate ( the ' Slate ' being a sheared ' greenstone ' ) he has described a schistose rock , in which , wherever the shearing has produced marked ' schistosity ' the included granitic fragments are not only rounded off into ...
... Slate Conglomerate ( the ' Slate ' being a sheared ' greenstone ' ) he has described a schistose rock , in which , wherever the shearing has produced marked ' schistosity ' the included granitic fragments are not only rounded off into ...
Page 52
... slate , and still more rapidly through cross - veins ' and through zones of fracture and dislocation . The latter is well known . In this freer access of water along the junction - planes between massive crystalline rocks and rocks of ...
... slate , and still more rapidly through cross - veins ' and through zones of fracture and dislocation . The latter is well known . In this freer access of water along the junction - planes between massive crystalline rocks and rocks of ...
Page 53
... slate , which led him to the conclusion that the individual minerals formed as separation - products in some clay - slates were anterior to the developement of the cleavage , and had only partaken under the influence of pressure of that ...
... slate , which led him to the conclusion that the individual minerals formed as separation - products in some clay - slates were anterior to the developement of the cleavage , and had only partaken under the influence of pressure of that ...
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Chemical and Physical Studies in the Metamorphism of Rocks: Based on a ... A. Irving No preview available - 2016 |
Common terms and phrases
acid action alkaline allotropic Alps alteration amorphous appears archæan rocks atmosphere augite Bonney calcite Cambrian character chemical clastic cleavage considerable constituents contact-metamorphism conversion cooling Credner Crown 8vo crust crystalline form crystalline schists crystallization decomposition deposition developement devitrification dissociation dolerite dolomite Earth Edition Essays fact felspar foliation formation fracture furnish garnet Geol Geological geologists glass gneiss granite graphite Heim high temperature hornblende Huronian igneous Illustrations instances intrusive mass Kalkowsky latent heat later limestones lithosphere magma materials metals metamorphism metataxic change metatropic change mica microscope minerals molecular nature Note observed occur olivine original orthoclase oxide paleozoic paramorphic paramorphic change phenomena phyllites physical Plates portions present pressure probably produced Prof quartz quartzites reactions regional metamorphism result rock-mass sandstones schistosity schists secondary paramorphism sedimentary seen serpentine shales silicates Silurian SiO2 slates solution stage steam strata structure sulphur surface theory tidal undergo vitreous vitrification Woodcuts zoisite zone
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