causing the rocks to crumble as they smashed into the cliff face. At one point, one of the men stumbles a bit but remains committed to the act, pushing a layer of rust-colored sandstone off of ...

Geologists study rocks to identify the clues they hold and decipher the answers they reveal. Dr Robert Rainbird, a sedimentologist at the Geological Survey of Canada, is examining ancient sedimentary ...

School of Earth Sciences and Engineering, Xi’ an Shiyou University, Xi’an 710065, China Shaanxi Key Laboratory of Petroleum Accumulation Geology, Xi’ an Shiyou University, Xi’an 710065, China ...