Dalam emas yang melanda beberapa daerah berpotensi bahan galian emas di tanah air ini pada akhirnya menimbulkan persoalan tersendiri yaitu berkembangnya kegiatan tambang non -formal yang mengganggu terhadap beberapa kebijaksanaan pemerintah.
On 20 May 1961 a radiometric reconnasscance survey was carried out in the area of the hot water spring and jarosite sinter deposite of Tjiater. some 25 km N of Bandung. The party consisted of 3 men and 2 scintilometers and 1 geiger counter were used. The place of interest has an area of only several hectares and is situated in aSW-NE trending valley…
The surface of the Barog-Panggul area is occupied partly by limestone and partly by pyroclassic deposite originating from granodioritc,dioritic,and gabbroide magmas.
Onder marmer verstsaat men in het dagelijksch leven elle soorten kalksteen, die door hun eigenschap ven gepolijat te kunnen worden,geachikt zijn voor decoratieve doeleinden.