cobbing

n.

人工敲碎；碎铁；

cobbing
cobbing
The granites of the Southeast Asian Tin Belt
Granites of southeast Asian tin belt
The Mfecane as Alibi: Thoughts on Dithakong and Mbolompo
Toxic Tech: Not in our Backyard
The Coastal Batholith of central Peru
Voices from the Rocks: Nature, Culture, and History in the Matopos Hills of Zimbabwe by Terence Ranger
Reconnaissance geochronology of the crystalline basement rocks of the Coastal Cordillera of southern Peru
Hydrogeological assessment of Acid mine Drainage impacts in the West Rand Basin, Gauteng Province