This recording was taken on weathered outcropping limestone with a relatively short ab ( 40m ) 这是在风化的灰岩露头上用较小的ab距（ 40m ）记录的。
A recent discovery of peridot in the cashmere region of pakistan has renewed its popularity 变质的含铁沉积物和白云石灰岩中，完全由橄榄石构成。
Mechanism and model for deformation of bank slope with slightly inclined soil layers in fengjie county of three gorges 3泥质灰岩斜坡变形破坏模式的现象学研究
Oolitic limestones are rare and interbedded in the dark - gray mudstones and / or shales 这些砂岩和鲕粒灰岩既可单独成层，但更常见它们与深灰色泥页岩组合成薄互层。
Short - term priorities include raising awareness of the unique features of the cenote system in this region 短期内实现的首要目标包括，提高当地了解尤加坦半岛灰岩坑系统独特的地貌特征。
This research is systematically related to thee characteristics and genetic analysis of algal limestones reservoirs , nanyishan , qaidam basin 摘要对南翼山藻灰岩岩层储层特征及成因进行了系统研究。
Cenotes are created when limestone in the cave system erodes and the roof collpases , forming a water - filled sinkhole 当洞穴系统内的石灰岩发生腐蚀而且顶部开始下沉的时候，就形成了盛满湖水或河水的灰岩坑。
The lower part is a micro - tidal range evaporative tidal sequence consisting of thin - bedded gypsum - bearing , muddy - limestone and dolomicrite 下部为薄层的含石膏、硬石膏晶体、团块及肠状石膏层的泥晶灰岩、微晶白云岩组成的小潮差蒸发潮坪层序。
Luis marden , scuba diver wrests a jar perhaps a thousand years old from the murk of a cenote , or ceremonial well in the late 1950s 路易斯?马登， 1950年代后期，带水下呼吸器的潜水员费尽九牛二虎之力从黑暗的灰岩坑中挖出一个可能有1000年历史的罐子。
The upper part is a set of evaporite quasi - tidal sequence with clear cycles which is made up of middle - thin - bedded , gypsum - bearing muddy limestone and dolomicrite 上部为中薄层状富泥的含石膏质夹层的泥质泥晶灰岩、微晶白云岩组成的旋回性清楚的似蒸发潮坪层序。
