Ghundao hill, Katlang, Mardan District, Khyber Pakhtunkhwa (North-West Frontier Province), Pakistan
|Latitude & Longitude (WGS84):||34° 23' 57'' North , 72° 6' 8'' East|
|Latitude & Longitude (decimal):||34.39922,72.10215|
|Köppen climate type:||Cfa : Humid subtropical climate|
Ghundao Hill is an isolated hill in Shamozai Valley, 5 Km NNE of Katlang village.
The hill is conformed by Silurian-Devonian aged carbonated rocks crossed by coarse-grained calcite and quartz veins, a few of them containing euhedral topaz crystals up to 3 cm.
The attractive pink color of some topaz from this locality is caused by trace amounts of the Cr3+ ion.
Topaz-bearing veins were discovered in the seventies and currently are almost exhausted.
The topaz from this locality is often referred to as topaz from Katlang.
9 valid minerals.
This geological map and associated information on rock units at or nearby to the coordinates given for this locality is based on relatively small scale geological maps provided by various national Geological Surveys. This does not necessarily represent the complete geology at this locality but it gives a background for the region in which it is found.
Click on geological units on the map for more information. Click here to view full-screen map on Macrostrat.org
358.9 - 443.8 Ma
|Silurian-Devonian sedimentary rocks|