8.Photo Gallery: Erosion and Weathering Wind erosion makes these layered sandstone hills swirl in Paria Canyon-Vermilion Cliffs Wilderness Area.
腐蚀和风图片集。风的侵蚀使这层状砂岩丘陵漩涡的Paria峡谷――朱红悬崖的荒野地区。
9.Cold production has been successfully applied to the heavy oil recovery in uncemented sandstones taking as a new production technology.
冷采作为种新的采油工艺,已成功地用于未胶结砂岩中的稠油开采。
10.A Qatari man in a traditional white dishdasha robe and a wind-blown red-and-white kaffiyeh stands before a sandstone formation near Dukhan.
个身着传统白色长袍,头戴红白图案头巾的卡塔尔人站在杜砍附近的的座砂岩前面。
11.The lithologies are dominated by alternating sandstones, shales and limestone, and the sedimentary environment based on shoreland tidal flat with swamp developed in the lower.
岩性为砂、页岩-灰岩互层,沉积环境以滨岸潮坪为主,下部沼泽发育。
12.The sandstones of the Turpan Basin belong mostly to graywacke and their compositional and textural maturity are generally low,indicating a strong erosional and rapid transportational environment.
13.The middle oil-member is characterized by medium-sized sandstone and pebbled sandstone, with fair sorting and subangular sphaericity.Rock types mainly were feldspar debris sandstone.