Geological Bulletin, Volume 11University of Peshawar, 1979 - Geology |
From inside the book
Results 1-3 of 23
Page 11
The Utror volcanics are comprised of andesite , dacite , rhyolite , tuffs and
agglomerate of grey , green , brown and pink hues , which are thin - bedded to
massive , except volcano - clastics , which are angular to subrounded and
usually form a ...
The Utror volcanics are comprised of andesite , dacite , rhyolite , tuffs and
agglomerate of grey , green , brown and pink hues , which are thin - bedded to
massive , except volcano - clastics , which are angular to subrounded and
usually form a ...
Page 68
This is in marked contrast to the layering in stratiform complexes where even the
thin layers are persistent over long distances ( Jackson , 1967 ; Wager and
Brown , 1968 ; Wadsworth , 1973 ) . On the other hand , layering of this type has
been ...
This is in marked contrast to the layering in stratiform complexes where even the
thin layers are persistent over long distances ( Jackson , 1967 ; Wager and
Brown , 1968 ; Wadsworth , 1973 ) . On the other hand , layering of this type has
been ...
Page 145
Based on the results of their experimental work Brown and Fyfe ( 1970 ) and
Brown ( 1973 ) suggested the possibility af derivation of diorite - granodiorits .
granite by the partial fusion of various quartzo - felspathic mineral mixes .
Experiments ...
Based on the results of their experimental work Brown and Fyfe ( 1970 ) and
Brown ( 1973 ) suggested the possibility af derivation of diorite - granodiorits .
granite by the partial fusion of various quartzo - felspathic mineral mixes .
Experiments ...
What people are saying - Write a review
We haven't found any reviews in the usual places.
Other editions - View all
Common terms and phrases
abundant altered amphibole amphibolites anorthosite appears associated bands basic bedded belt biotite bodies Bull Chitral clinopyroxene common complex composition considered contain dark developed diorites east epidote exposed extend fault feldspar foliation Formation garnet Geol Geology Gilgit gneisses gneissose grains granitic granulites green grey Group Hazara Himalaya hornblende igneous inclusions Indus intrusions Jijal Kalam Khan Kohistan layers less light limestone locally located lower major margins mass material medium metamorphic Mian Middle minerals minor Nanga Parbat norites northern occur opaque origin Pakistan pegmatites Peshawar places plagioclase plate present probably pyroxene pyroxene granulites pyroxenites quartz quartzites range rare region reported result rocks schists sequence sericite slates southern stream structure studies suggest Swat Tahirkheli tectonic thick thin thrust traces trend twinning ultramafic Univ upper usually valley veins volcanic western zone ܘ ܘ ܘ