A Handy-book of Rock Names, with Brief Descriptions of the Rocks |
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Page 6
... varieties , and , when necessary , the subvarieties . two parts names of classes are printed in large capitals , of groups in egyptian type , of subgroups and particular varieties in small capitals ; while the In these others ...
... varieties , and , when necessary , the subvarieties . two parts names of classes are printed in large capitals , of groups in egyptian type , of subgroups and particular varieties in small capitals ; while the In these others ...
Page 7
... varieties . under small italic , and the subvarieties under small roman letters . A student wishing to learn the description of a rock , must first look for the name in the Index , and if the name does not occur there , it will be found ...
... varieties . under small italic , and the subvarieties under small roman letters . A student wishing to learn the description of a rock , must first look for the name in the Index , and if the name does not occur there , it will be found ...
Page 27
... varieties . One kind appears as irregular veins , nests , or patches , that have no deep - seated source , but die out every way , often in very short distances . The other variety makes regular , often dyke - like , veins , from half ...
... varieties . One kind appears as irregular veins , nests , or patches , that have no deep - seated source , but die out every way , often in very short distances . The other variety makes regular , often dyke - like , veins , from half ...
Page 30
... Varieties . G. PORPHYRITIC INTRUSIVE , OR HIGHLY SILICEOUS GRANITE . In which crystals of felspar are - largely and conspicuously developed . H. PEGMATYTE ; PEGMATITE [ Gr . pegma , a hardened mass ] . The second variety of the veins of ...
... Varieties . G. PORPHYRITIC INTRUSIVE , OR HIGHLY SILICEOUS GRANITE . In which crystals of felspar are - largely and conspicuously developed . H. PEGMATYTE ; PEGMATITE [ Gr . pegma , a hardened mass ] . The second variety of the veins of ...
Page 31
... variety of Pegmatyte , in which the con- stituents are so arranged as to produce figures resembling written characters . b . Blumen granite .- " The felspar assumes a form resembling flowering - stalks . " - Cotta . - c . Plumose ...
... variety of Pegmatyte , in which the con- stituents are so arranged as to produce figures resembling written characters . b . Blumen granite .- " The felspar assumes a form resembling flowering - stalks . " - Cotta . - c . Plumose ...
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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