A Handy-book of Rock Names, with Brief Descriptions of the Rocks |
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Page 6
... ( orthoclase intimately combined with 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 ...
... ( orthoclase intimately combined with 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 ...
Page 15
... Orthoclase gneiss . b . Oligoclase gneiss . e . Alpinyte . d . Adularia gneiss . B. Micaceous gneiss . Var . a . Two - mica gneiss . b . White mica gneiss . c . Black mica gneiss . C. Quartzitic gneiss . D. Basic gneiss . Var . a ...
... Orthoclase gneiss . b . Oligoclase gneiss . e . Alpinyte . d . Adularia gneiss . B. Micaceous gneiss . Var . a . Two - mica gneiss . b . White mica gneiss . c . Black mica gneiss . C. Quartzitic gneiss . D. Basic gneiss . Var . a ...
Page 17
... . a . Burnt clay . b . Rock slag . c . Porcelanyte . H. Minerals forming rock masses ( see page 22 ) . Var . a . Quartz . b . Corundum . c . Apatite . d . Magnesite . Var . e . Orthoclase . f . Pistacite . CLASSIFIED TABLE . 17.
... . a . Burnt clay . b . Rock slag . c . Porcelanyte . H. Minerals forming rock masses ( see page 22 ) . Var . a . Quartz . b . Corundum . c . Apatite . d . Magnesite . Var . e . Orthoclase . f . Pistacite . CLASSIFIED TABLE . 17.
Page 18
George Henry Kinahan. Var . e . Orthoclase . f . Pistacite . g . Pycnite . h . Lepidolite . i . Lievrite . j . Magnetite . k . Anthracite . 1. Graphite . m . Eisenkiesel . n . Garnet - rock . Group N. - SLATE . [ See Order II . , Class I ...
George Henry Kinahan. Var . e . Orthoclase . f . Pistacite . g . Pycnite . h . Lepidolite . i . Lievrite . j . Magnetite . k . Anthracite . 1. Graphite . m . Eisenkiesel . n . Garnet - rock . Group N. - SLATE . [ See Order II . , Class I ...
Page 27
... orthoclase with black and white mica ; pyrite and marcasite are often constituents ; while Haughton seems to believe that most , if not all , intrusive granites also contain albite . NOTE . Haughton finds the intrusive granites of ...
... orthoclase with black and white mica ; pyrite and marcasite are often constituents ; while Haughton seems to believe that most , if not all , intrusive granites also contain albite . NOTE . Haughton finds the intrusive granites of ...
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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