Geological Bulletin, Volume 6University of Peshawar, 1971 - Geology |
From inside the book
Results 1-3 of 12
Page 62
some well-developed shear zones, with profuse development of quartz and
pegmatite veins. Northwest of Barwa, in a north-west trending shear zone occur
quartz and pegmatite veins, each about two feet thick, at the interval of almost
every ...
some well-developed shear zones, with profuse development of quartz and
pegmatite veins. Northwest of Barwa, in a north-west trending shear zone occur
quartz and pegmatite veins, each about two feet thick, at the interval of almost
every ...
Page 66
Within the main hornblendite bodies, there is a profuse development of
hornblende pegmatites, in which the hornblende crystals are oriented across the
length of the pegmatite veins suggesting extremely high hydrostatic pressures.
Some of ...
Within the main hornblendite bodies, there is a profuse development of
hornblende pegmatites, in which the hornblende crystals are oriented across the
length of the pegmatite veins suggesting extremely high hydrostatic pressures.
Some of ...
Page 78
In the vicinity of Sarkari Qila, email veins of 3 to 10 ft. thickness of roicrogranite,
diorite and pegmatite have been recorded cutting ac cross the amphibolites. The
pegmatite veins contain well-developed hornblende and plagioclase crystals.
In the vicinity of Sarkari Qila, email veins of 3 to 10 ft. thickness of roicrogranite,
diorite and pegmatite have been recorded cutting ac cross the amphibolites. The
pegmatite veins contain well-developed hornblende and plagioclase crystals.
What people are saying - Write a review
We haven't found any reviews in the usual places.
Contents
Preliminary geology and petrography of Swat Kohistan | 1 |
No 1 December | 3 |
The geology of the Gandghar Range Distt Hazara N W F | 33 |
8 other sections not shown
Other editions - View all
Common terms and phrases
abundant acid amphibolites associated Bajaur bands beds biotite brines Bull calcite carbonates chloride complexes chlorite coarse-grained colour concentration correlated crystals dark deposits Deshai developed Dewangar diorites dolerite dolomite dykes east eastern epidote exposed extend feet thick feldspar fluid inclusions folded foliation fractures Gabral Gandghar Range garnet Geol geology glauconite gneisses gneissose grades grains granites graphite grey Hazara hornblende hornblendites hydrothermal solutions hypersthene igneous ilmenite Indus intrusions Kalam Group Khan Khussak Formation Kohistan layers limestone locally magma magnetite marble Matiltan Matsushita metals metamorphism miles mineralizing solutions Misri Banda Quartzite norites Nowshera occur outcrop Pakistan pegmatite pegmatite veins peridotite Peshawar phenocrysts phyllites plagioclase plutonic porphyritic pyrite pyroxene pyroxenites quartz quartzite region samples sandstone schists sediments sericite shale sheared Sirikot Sirikot Slates solubility sphalerite sphene sulphide sulphur Surv Swat Kohistan Tahirkheli temperature Tertiary thin transport Univ Upper Swat Ushu usually Utror valley volcanic rocks waters well-developed zone