A Handy-book of Rock Names, with Brief Descriptions of the Rocks |
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Page 33
... Syenitic granite . " This name , however , seems not only unscientific , but also inapplicable , as the rock is not an aggregate of granite and syenyte , but of granite and amphibole [ hornblende ] , and it is to the latter mineral that ...
... Syenitic granite . " This name , however , seems not only unscientific , but also inapplicable , as the rock is not an aggregate of granite and syenyte , but of granite and amphibole [ hornblende ] , and it is to the latter mineral that ...
Page 60
... SYENITE . - A crystalline aggregate of orthoclase and amphibole , with or without quartz . The quartz appears to be more an accessory than an essential . - NOTE . Some syenytes are undoubtedly metamorphosed igneous rocks , while others ...
... SYENITE . - A crystalline aggregate of orthoclase and amphibole , with or without quartz . The quartz appears to be more an accessory than an essential . - NOTE . Some syenytes are undoubtedly metamorphosed igneous rocks , while others ...
Page 78
... syenitic gneiss , while chloritic gneiss and talcose gneiss have absurdly by some been classed together under the name of Protogene gneiss . ( See note on the Hornblendic Granite , page 33. ) E. IOLITIC GNEISS , F. HEMATITIC GNEISS ...
... syenitic gneiss , while chloritic gneiss and talcose gneiss have absurdly by some been classed together under the name of Protogene gneiss . ( See note on the Hornblendic Granite , page 33. ) E. IOLITIC GNEISS , F. HEMATITIC GNEISS ...
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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 of quartz amphibole Amygdaloidal appear Arenaceous Argillous Augyte basic beds Bituminous Breccia Calcareous called Carbonaceous Chloritic classed clay coal colour compact Concretionary conglomerate Conglomeritic constituents containing Cotta crystalline crystals Cupriferous deposited Derivate rocks Diabase Dioryte Dolomitic drift dykes earth elvanyte Euryte felsitic felspar felspathic felstone Ferruginous Fibrous fissile foliation formed gneiss Gneissoid gneissyte granite granitoid granityte granular grit Group Hematitic Hornblendic igneous rocks ingenite rocks intrusive granite Ireland Jukes labradorite lamination latter layers less Lignyte limestone marcasite marl mass matrix metamorphic metamorphosed mica Micaceous minerals Nodular occur oligoclase oligoclase granite Ophyte orthoclase passage-rock Plutonic rocks Porphyritic Protogene pyrite pyroxene quartz Quartzose quartzyte reddish Ribaned ripidolite sand sandstone schist schistose sedimentary rocks shale siliceous slate slaty sometimes Spheroidal Steatyte Structural Varieties Subgroup Subvar Subvarieties surface Syenyte talc Talcose texture Trachyte tuff Tuffose turf usually Varieties in Composition veins of segregation Vesicular Volcanic weather Whinstone