A Handy-book of Rock Names, with Brief Descriptions of the Rocks |
From inside the book
Results 1-5 of 8
Page 11
... Euryte . Var . a . Orthoclasic euryte . b . Oligoclasic . c . Micaceous . d . Hornblendic . e . Chloritic . f . Quartzose . g . Euryte porphyry . h . Amygdaloidal euryte . i . Vesicular . j . Compact . k . Slab . 1. Cleaved . E. Compact ...
... Euryte . Var . a . Orthoclasic euryte . b . Oligoclasic . c . Micaceous . d . Hornblendic . e . Chloritic . f . Quartzose . g . Euryte porphyry . h . Amygdaloidal euryte . i . Vesicular . j . Compact . k . Slab . 1. Cleaved . E. Compact ...
Page 35
... ( Euryte and such rocks ) may be altered into more or less hornblendic or chloritic , or even talcose granite . H. GRANITIC FELSTONE . - A fine , more or less even- grained aggregate of quartz , felspar , and mica . In some varieties the ...
... ( Euryte and such rocks ) may be altered into more or less hornblendic or chloritic , or even talcose granite . H. GRANITIC FELSTONE . - A fine , more or less even- grained aggregate of quartz , felspar , and mica . In some varieties the ...
Page 48
... euryte , " " micaceous diabase or kersantyte , " " micaceous dioryte or kersanton , " " micaceous melaphyre , " " micaceous do- leryte , " and many micaceous varieties of the above subgroups ; rocks that are quite dissimilar , except ...
... euryte , " " micaceous diabase or kersantyte , " " micaceous dioryte or kersanton , " " micaceous melaphyre , " " micaceous do- leryte , " and many micaceous varieties of the above subgroups ; rocks that are quite dissimilar , except ...
Page 49
... eurytes should be placed in an intermediate group ( called Hybrid rocks by Durocher ) between the highly siliceous and the basic plutonic rock . Varieties in Composition . a . Orthoclasic euryte ; b . Oligoclasic ; c . Mica- ceous ; d ...
... eurytes should be placed in an intermediate group ( called Hybrid rocks by Durocher ) between the highly siliceous and the basic plutonic rock . Varieties in Composition . a . Orthoclasic euryte ; b . Oligoclasic ; c . Mica- ceous ; d ...
Page 50
... Euryte porphyry ; h . Amygdaloidal euryte ; i . Vesicular ; j . Compact ; k . Slab or flaggy euryte ; and l . Cleaved ; according to the structure that gives a character to the rock mass . The compact varieties have a conchoidal or sub ...
... Euryte porphyry ; h . Amygdaloidal euryte ; i . Vesicular ; j . Compact ; k . Slab or flaggy euryte ; and l . Cleaved ; according to the structure that gives a character to the rock mass . The compact varieties have a conchoidal or sub ...
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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