The Urtu area is situated about 50 km north of Bayan Hot, the centre of the Alxa Left Banner, Inner Mongolia (105°26′—105°30′E and 39°10′—39°14′N). Extensive red beds are exposed there. Based...The Urtu area is situated about 50 km north of Bayan Hot, the centre of the Alxa Left Banner, Inner Mongolia (105°26′—105°30′E and 39°10′—39°14′N). Extensive red beds are exposed there. Based on fossil mammals collected from adjacent areas, the Urtu red beds used to be considered as the Oligocene deposits.展开更多
文摘The Urtu area is situated about 50 km north of Bayan Hot, the centre of the Alxa Left Banner, Inner Mongolia (105°26′—105°30′E and 39°10′—39°14′N). Extensive red beds are exposed there. Based on fossil mammals collected from adjacent areas, the Urtu red beds used to be considered as the Oligocene deposits.
