A Handy-book of Rock Names, with Brief Descriptions of the Rocks |
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Page 5
... amphibole , or such minerals . Any of the Plutonic rocks may be contempo- raneous , i.e. interstratified with the sedimentary rocks . Under such circumstances they are often associated with beds of tuff . Tuff also on some occasions ...
... amphibole , or such minerals . Any of the Plutonic rocks may be contempo- raneous , i.e. interstratified with the sedimentary rocks . Under such circumstances they are often associated with beds of tuff . Tuff also on some occasions ...
Page 31
... amphibole . Not uncommon in the intrusive granite is a structure having an aspect somewhat like folia- tion ; and yet it cannot be so classed , as the con- stituents of the rock have no tendency to occur in INGENITE ROCKS . 31.
... amphibole . Not uncommon in the intrusive granite is a structure having an aspect somewhat like folia- tion ; and yet it cannot be so classed , as the con- stituents of the rock have no tendency to occur in INGENITE ROCKS . 31.
Page 33
... amphibole is a constituent . a . Titanitic Granite ; Furbogh Granite . b . Chloritic or Ripidolitic Granite . c . Talcose Granite . d . Epidotic Granite . With amphibole titanite sometimes occurs , and this variety has been called ...
... amphibole is a constituent . a . Titanitic Granite ; Furbogh Granite . b . Chloritic or Ripidolitic Granite . c . Talcose Granite . d . Epidotic Granite . With amphibole titanite sometimes occurs , and this variety has been called ...
Page 34
... amphibole , tita- nite , ripidolite , & c . , only occur locally , as ac- cessories . It has been called " Omey granite , " from an island on the west coast of Ireland . Besides the varieties mentioned above , others might be named ...
... amphibole , tita- nite , ripidolite , & c . , only occur locally , as ac- cessories . It has been called " Omey granite , " from an island on the west coast of Ireland . Besides the varieties mentioned above , others might be named ...
Page 35
... amphibole or ripidolite . They weather neither like a true granite nor yet like a felstone , having a characteristic weathering of their own , partaking of the nature of both . Granitic felstones probably are metamorphosed felstones ...
... amphibole or ripidolite . They weather neither like a true granite nor yet like a felstone , having a characteristic weathering of their own , partaking of the nature of both . Granitic felstones probably are metamorphosed felstones ...
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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