A Handy-Book of Rock Names, with Brief Descriptions of the Rocks |
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Page 42
... CHLORITIC OR RIPIDOLITIC ELVANYTE . - Having ripidolite replacing most or all of the mica or amphibole . Structural Varieties . G. GRANULAR ELVANYTE . - With a matrix somewhat resembling granite ; but distinct crystals of one or more ...
... CHLORITIC OR RIPIDOLITIC ELVANYTE . - Having ripidolite replacing most or all of the mica or amphibole . Structural Varieties . G. GRANULAR ELVANYTE . - With a matrix somewhat resembling granite ; but distinct crystals of one or more ...
Page 47
... Chloritic , or Ripidolitic ; e . Pyritous , according to whichever mineral gives a character to the rock . The micaceous varieties graduate into Minette , while other varieties graduate into Felsitic elvanyte . Structural Varieties . f ...
... Chloritic , or Ripidolitic ; e . Pyritous , according to whichever mineral gives a character to the rock . The micaceous varieties graduate into Minette , while other varieties graduate into Felsitic elvanyte . Structural Varieties . f ...
Page 49
... Chloritic , or Ripi- dolitic ; f . Quartzose . contain minute flakes of mica and a granular structure , never having the compact or semivitreous appearance characteristic of a Euryte . * Its advocate , Cotta , seems to use it in this ...
... Chloritic , or Ripi- dolitic ; f . Quartzose . contain minute flakes of mica and a granular structure , never having the compact or semivitreous appearance characteristic of a Euryte . * Its advocate , Cotta , seems to use it in this ...
Page 53
... Chloritic schist Slaty or shaly tuff Phyllitic schist S Hornblendic schist . Hornblendic gneiss . Talcose schist Felsitic schist M. GNEISSYTE or GNEISSITE ; GNEISSOID FELSTONE . - A. Sandstone Quartzose sandstone Micacized sandstone ...
... Chloritic schist Slaty or shaly tuff Phyllitic schist S Hornblendic schist . Hornblendic gneiss . Talcose schist Felsitic schist M. GNEISSYTE or GNEISSITE ; GNEISSOID FELSTONE . - A. Sandstone Quartzose sandstone Micacized sandstone ...
Page 54
... Chloritic or Ripidolitic ; g . Talcose Gneissyte . Varieties d , e , f , and g are probably metamor- phosed eurytes . The difference between d and e is , that the former contains mica , in addition to amphi- bole , while in the latter ...
... Chloritic or Ripidolitic ; g . Talcose Gneissyte . Varieties d , e , f , and g are probably metamor- phosed eurytes . The difference between d and e is , that the former contains mica , in addition to amphi- bole , while in the latter ...
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A Handy Book of Rock Names: With Brief Descriptions of the Rocks (1873) G. Henry Kinahan No preview available - 2008 |
Common terms and phrases
aggregate amphibole Arenaceous Argillous Argillyte Augyte beds bituminous Breccia Calcareous Carbonaceous Chloritic Class clay cloth coal colour compact Concretionary Conglomeritic contains Cotta Crown 8vo crystalline crystals deposited Derivate rocks Dioryte Dolomyte drift dykes elvanyte Euryte F.R.S. Illustrated Fcap felsitic felspar felspathic Ferruginous fissile foliation formed geological gneiss Gneissoid Gneissyte granite granitoid granular Grass grit Group Hematitic highly siliceous Hornblendic igneous rocks ingenite rocks Ireland Jukes labradorite Lankester less Lignyte limestone marcasite marl mass matrix metamorphic metamorphosed mica mica-schist Micaceous Microscopic minerals Nodular occur oligoclase oligoclase granite Ophyte orthoclase plates Plutonic rocks Popular Science Review Porphyritic Prof pyrite pyroxene quartz Quartzose R. A. Proctor Ribaned ripidolite ROCK NAMES sand sandstone schist schistose Sedges sedimentary rocks Shale siliceous slate slaty Sowerby's English Botany spheroidal Steatyte Structural Varieties Subgroup Subvar subvarieties Syenyte Trachyte Tufa tuff Tuffose Turf usually Varieties in Composition veins Vesicular Volcanic Whinstone
Popular passages
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