A Handy-book of Rock Names, with Brief Descriptions of the Rocks |
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Results 1-5 of 55
Page
... Quartz Subgroup F. Limonite Rock Subgroup G. Hematite Rock ... ... 107 . 107 108 108 ... ... 108 ... 109 110 110 ... Subgroup H. Spherosiderite Subgroup 1. Minerals occurring as Rock Masses 111 Group C. Rocks partly mechanically ...
... Quartz Subgroup F. Limonite Rock Subgroup G. Hematite Rock ... ... 107 . 107 108 108 ... ... 108 ... 109 110 110 ... Subgroup H. Spherosiderite Subgroup 1. Minerals occurring as Rock Masses 111 Group C. Rocks partly mechanically ...
Page 4
... quartz crystallized out previous to the other constituents . These granitic rocks or ELVANYTES ( Quartz - porphyries ) are allied to the granite , being mineralogically similar , and always destitute of tuffs : they never occur ...
... quartz crystallized out previous to the other constituents . These granitic rocks or ELVANYTES ( Quartz - porphyries ) are allied to the granite , being mineralogically similar , and always destitute of tuffs : they never occur ...
Page 6
... quartz . - See quotation from Cotta , page 46 ) . In Parts II . and III . a general description of each class is given , and a general description of each group ; while under each group will be found the subgroups , and under the latter ...
... quartz . - See quotation from Cotta , page 46 ) . In Parts II . and III . a general description of each class is given , and a general description of each group ; while under each group will be found the subgroups , and under the latter ...
Page 10
... QUARTZ PORPHYRY . Subgroup 4. Felsitic and felspathic elvanyte .. Var . a . Orthoclasic elvanyte . b . Oligoclasic elvanyte . c . Rappakivi elvanyte . B. Quartzitic elvanyte . C. Micaceous elvanyte . D. Pyritous elvanyte . E ...
... QUARTZ PORPHYRY . Subgroup 4. Felsitic and felspathic elvanyte .. Var . a . Orthoclasic elvanyte . b . Oligoclasic elvanyte . c . Rappakivi elvanyte . B. Quartzitic elvanyte . C. Micaceous elvanyte . D. Pyritous elvanyte . E ...
Page 16
... Quartz rock . e . Fibrous quartzyte . f . Conglomeritic . C. Felsyte schist . Var . a . Micaceous . b . Quartzose . c . Pyritous . d . Ribaned . e . Mealy . f . Gneissoid . D. Mica schist . Var . a . Two - mica schist . b . Chloritic ...
... Quartz rock . e . Fibrous quartzyte . f . Conglomeritic . C. Felsyte schist . Var . a . Micaceous . b . Quartzose . c . Pyritous . d . Ribaned . e . Mealy . f . Gneissoid . D. Mica schist . Var . a . Two - mica schist . b . Chloritic ...
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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