We tentatively treat the strata west of Kumux as being of Early Paleozoic age, but cannot rule out the possibility that there are Precambrian strata outcropping as an island chain.
I’d just passed Kumux and was heading into Yushugou; the sun was already down behind the mountains.
1993, Judy Bonavia, The Silk Road: From Xi'an to Kashgar[3], Passport Books, NTC Publishing Group, →ISBN, →LCCN, →OCLC, page 245:
At Kumux (Komishi[sic – meaning Kumishi]), the far end of Dry Ditch, drivers of south-bound trucks carrying oil from the Karamai oilfields, agricultural machinery, fertilizer, drums of bitumen and rubber tyres take a breather following their ordeal, while drivers of north-bound vehicles loaded with rope, reed matting and timber fill their radiators with water in anticipation of the difficult stretch that lies ahead.
1998, Antonio Cammarata, “Pushing On”, in Unraveling on the Old Silk Road: Hitchhiking China and Beyond[4], New York: Jay Street Publishers, →ISBN, →OCLC, →OL, page 273:
On a roll I jumped aboard the first passing conveyance. Unfortunately, it was a bus, and after enduring about an hour of this nonsense, I debused at Kumux.
