受国务院西藏经济工作咨询组的委派,我们援藏工程建筑材料咨询组于1984年4月前往西藏拉萨地区,对这个地区的地方资源和建筑工程材料的生产进行了考察,现将调查情况介绍于下。(一)利用储量丰富、质地优良的地方资源生产建筑工程材料(1)砂石:拉萨市位于雅鲁藏布江支流拉萨河北岸,拉萨河谷中河砂与卵石储量十分丰富,是取之不尽的资源。花岗岩山砂 Under the appointment of the Tibet Economic Work Advisory Group of the State Council, our Tibet Engineering Construction Materials Consulting Group went to Lhasa, Tibet in April 1984 to inspect the production of local resources and construction materials in this area. under. (1) Production of construction engineering materials using local resources with abundant reserves and fine texture (1) Sand and gravel: Lhasa City is located on the north bank of the Lhasa River on the Yarlung Zangbo River. The Lhasa Valley has rich reserves of river sand and pebbles and is an inexhaustible resource. Granite Mountain Sand