<delect id="y4fcz"><button id="y4fcz"></button></delect>
<strong id="y4fcz"><i id="y4fcz"><pre id="y4fcz"></pre></i></strong>


Service time

24 Hours Service

Write to us



Contact Us+8618653298567

Morphological characteristics of sandstone

Aug 28, 2019

Sandstone is formed by accumulation of rocks in the source area through weathering, erosion and transportation. The rock is composed of debris and interstitials. Detrital common minerals: quartz, feldspar, muscovite, calcite, clay minerals, dolomite, olivine, chlorite, etc. Interstitial materials include two components, cement and debris. Common cements include siliceous and carbonate cements; heterogeneous components mainly refer to clay or silty particles with finer particles deposited at the same time as the debris.

Related News


DZ五月丁香色综合久久4438是手机电影网,在线观看久久婷婷综合色丁香五月 狠狠噜狠狠狠狠丁香五月免费影片视频在线,五月丁香色综合久久4438在线视频网有着精品高清视频,免费在线播放!用户可以感受到堪称极致的体验!