Source provenance
Ashraf, M. & Chaudhry, M.N. (1974). Geology of Dadar pegmatites, Mansehra area, Hazara District, Pakistan. Geological Bulletin of the Punjab University, 10, 59-66.
Cited by 1 unit (1 published) · 0 field-level citations · 1 revision note.
Full text reviewed (reviewer-supplied extract). Six zoned granite pegmatites near Basala village, Dadar, emplaced concordantly and along joints in Barrovian kyanite-grade schists ~2 furlongs from the Mansehra Granite. Bodies up to 6 x 3 m: wall zone (cleavelandite, muscovite, almandine, quartz), outer/inner intermediate zones (beryl; relict microcline perthite) and a milky quartz core (93-97% SiO2). Extensive late pneumatolytic albitisation (cleavelandite) with local tourmaline replacement. Interpreted as granite pegmatites genetically linked to the Mansehra Granite.
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Units citing this source
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- Geological significance: Ashraf & Chaudhry (1974) described six zoned granite pegmatites in the Dadar area (Basala village), emplaced in Barrovian kyanite-grade schists ~2 furlongs from the Mansehra Granite; the bodies (up to 6 x 3 m) grade from a cleavelandite-muscovite-garnet wall zone through beryl-bearing intermediate zones (with relict microcline perthite) to a milky quartz core (93-97% SiO2), extensively albitised during a late pneumatolytic stage — interpreted as granite pegmatites genetically linked to the Mansehra Granite.