ON August 21,1998,the first women’s teamattempting to float down from the source of theChangjiang River started from Chengdu,SichuanProvince.We drove towards the west and traversed theSongpan grassland,going deep int...ON August 21,1998,the first women’s teamattempting to float down from the source of theChangjiang River started from Chengdu,SichuanProvince.We drove towards the west and traversed theSongpan grassland,going deep into the Qinghai-TibetanPlateau along the Zoige,Xining and Golmud routes.OnSeptember 11,we arrived at the source of the ChangjiangRiver-the foot of the snow-covered GeladaindongMountain.On September 26,all members of the team,traveling either by land or by water,safely assembled bythe Tuotuo River.展开更多
There are lots of gold depsits oeeurred in Jiaobei distriet. Through studying the distribution of gold element in strata and granites, and the relationship between gold deposits and geotectonic evolution history etc.,...There are lots of gold depsits oeeurred in Jiaobei distriet. Through studying the distribution of gold element in strata and granites, and the relationship between gold deposits and geotectonic evolution history etc., it has been shown that the gold deposits, wnich were formed in diwa stage, have two sources of ore-forming material. One is mantle source.the other is erustal source.展开更多
文摘ON August 21,1998,the first women’s teamattempting to float down from the source of theChangjiang River started from Chengdu,SichuanProvince.We drove towards the west and traversed theSongpan grassland,going deep into the Qinghai-TibetanPlateau along the Zoige,Xining and Golmud routes.OnSeptember 11,we arrived at the source of the ChangjiangRiver-the foot of the snow-covered GeladaindongMountain.On September 26,all members of the team,traveling either by land or by water,safely assembled bythe Tuotuo River.
文摘There are lots of gold depsits oeeurred in Jiaobei distriet. Through studying the distribution of gold element in strata and granites, and the relationship between gold deposits and geotectonic evolution history etc., it has been shown that the gold deposits, wnich were formed in diwa stage, have two sources of ore-forming material. One is mantle source.the other is erustal source.
