A Handy-Book of Rock Names, with Brief Descriptions of the Rocks |
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... Felstone 44 ... Group F. Whinstone 55 ... ... Group H. Tuff Group G. Rocks due to pseudomorphic action 63 ... ... 66 ... Class 3. Volcanic Rocks ... 69 Group I. Trachytic 70 ... Group J. Augitic Group K. Tufa and Peperino Class 4 ...
... Felstone 44 ... Group F. Whinstone 55 ... ... Group H. Tuff Group G. Rocks due to pseudomorphic action 63 ... ... 66 ... Class 3. Volcanic Rocks ... 69 Group I. Trachytic 70 ... Group J. Augitic Group K. Tufa and Peperino Class 4 ...
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... Felstone Group F. Whinstone 36 ... ... 39 43 ... 44 ... 55 ... Group G. Rocks due to pseudomorphic action Group H. Tuff Class 3. Volcanic Rocks Group I. Trachytic Group J. Augitic ... ... ... Group K. Tufa and Peperino Class 4 ...
... Felstone Group F. Whinstone 36 ... ... 39 43 ... 44 ... 55 ... Group G. Rocks due to pseudomorphic action Group H. Tuff Class 3. Volcanic Rocks Group I. Trachytic Group J. Augitic ... ... ... Group K. Tufa and Peperino Class 4 ...
Page 4
... Felstone . From these facts it would appear that Elvanyte is a connecting link between Granite and the Plu- tonic ... Felstone , and on the other into Whinstone . These basic felstones are the HYBRID ROCKS of Durocher , and they in ...
... Felstone . From these facts it would appear that Elvanyte is a connecting link between Granite and the Plu- tonic ... Felstone , and on the other into Whinstone . These basic felstones are the HYBRID ROCKS of Durocher , and they in ...
Page 5
... Felstones proper con- tain over 68 per cent . of silica ; Durocher's Hybrid rocks between 65 and 55 per cent .; while the Whinstones contain a large percentage of pyroxene or amphibole , or such minerals . Any of the Plutonic rocks may ...
... Felstones proper con- tain over 68 per cent . of silica ; Durocher's Hybrid rocks between 65 and 55 per cent .; while the Whinstones contain a large percentage of pyroxene or amphibole , or such minerals . Any of the Plutonic rocks may ...
Page 10
... FELSTONE , or FELSYTE . Subgroup 4. Petrosilex . Var . a . Felstone glass . b . Ribaned petrosilex . B. Quartzitic felstone . Var . a . Oligoclasic quartzitic felstone . b . Micaceous . c . Hornblendic . d . Chloritic . e . Pyritous . f ...
... FELSTONE , or FELSYTE . Subgroup 4. Petrosilex . Var . a . Felstone glass . b . Ribaned petrosilex . B. Quartzitic felstone . Var . a . Oligoclasic quartzitic felstone . b . Micaceous . c . Hornblendic . d . Chloritic . e . Pyritous . f ...
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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
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