Samples KBR-1, KBR-2, KBR-2A are from a vertical mass of gabbro showing progressive differentiation inward.This sample is the second sample for KBR-2. This sample is medium grained and holocrystalline with a hypidiomorphic-granular texture. There are gray and black crystals, both ranging from <1mm- 3mm. There is a red rusty looking weathered surface. This rock has an average specific gravity.
No date given.
Western Minerals, Inc
Is Part Of
Karoo- Birds River, Eastern Cape, South Africa
183-179 Ma (Jurassic)
Purchased from Western Minerals Inc