Definition of Porphyritic rock

1. Noun. Any igneous rock with crystals embedded in a finer groundmass of minerals.

Exact synonyms: Porphyry
Terms within: Groundmass
Generic synonyms: Igneous Rock
Derivative terms: Porphyritic



Porphyritic Rock Pictures

Click the following link to bring up a new window with an automated collection of images related to the term: Porphyritic Rock Images

Lexicographical Neighbors of Porphyritic Rock

porphyraceous
porphyre
porphyria
porphyrias
porphyric
porphyrically
porphyries
porphyrin
porphyrinic
porphyrinogen
porphyrinogens
porphyrins
porphyrite
porphyrites
porphyritic
porphyritic rock (current term)
porphyrization
porphyrizations
porphyrize
porphyrized
porphyrizes
porphyrizing
porphyroblast
porphyroblasts
porphyrogenitism
porphyrogeniture
porphyropsin
porphyropsins
porphyry
porpoise

Literary usage of Porphyritic rock

Below you will find example usage of this term as found in modern and/or classical literature:

1. Report on the Geology of the State of Connecticut by Connecticut Geological Survey, James Gates Percival (1842)
"The porphyritic rock of this subordinate range is, however, lighter grey and more granitic than that of the frontier ranges generally, ..."

2. Elementary Geology by Ralph Stockman Tarr (1903)
"... porphyritic rock with crystals of feldspar in a black, crypto- crystalline groundmass. from a centre like the spokes of a wheel. ..."

3. A Handbook of Rocks for Use Without the Microscope by James Furman Kemp (1918)
"In its restricted sense it implies orthoclase-porphyry, the porphyritic rock corresponding to syenite, but to give it any essential significance as ..."

4. Geology of Western Ore Deposits by Arthur Lakes (1905)
"DEPOSITS. the classic name of It yielded the ancient ; red porphyritic rock ... In its restricted 1 the porphyritic rock "S is colloquially used j West, ..."

5. Bulletin by Geological Survey of Georgia (1902)
"A series of parallel dikes, composed of a very fine- and even-grained, medium-gray biotite granite, cuts the porphyritic rock, and may be seen to advantage, ..."

6. A Handbook of Rocks: For Use Without the Microscope by James Furman Kemp (1896)
"It was later applied to the red porphyritic rock of the Egyptian quarries, ' ' porfido rosso antico," whose red color is due to ..."

7. Proceedings of the Royal Society of Victoria by Royal Society of Victoria (1902)
"On the banks of Boggy Creek, which has cut its way through some hundreds of feet of porphyritic rock, the auriferous terraces extend for over 120 feet above ..."

Other Resources Relating to: Porphyritic rock

Search for Porphyritic rock on Dictionary.com!Search for Porphyritic rock on Thesaurus.com!Search for Porphyritic rock on Google!Search for Porphyritic rock on Wikipedia!

Search