:made from material that sinks to the bottom of a liquid:made from sediment沉积的;沉积性的
sedimentary layers/deposits沉积层
Sandstone is a sedimentary rock. [=a type of rock formed when sediments that were deposited in ancient times were pressed together and became hard]砂岩是沉积岩。
Recent Examples on the WebThe sedimentary layers banding the rock were a reminder that the Aral’s retreat is a small-scale echo of a more titanic draining. Henry Wismayer, Anchorage Daily News, 30 Aug. 2022 The sedimentary layers banding the rock were a reminder that the Aral’s retreat is a small-scale echo of a more titanic draining. Henry Wismayer, Washington Post, 29 Aug. 2022 Low-oxygen water in the depths kept scavengers off the corpses long enough for calcium carbonate pouring down from the surrounding hills to preserve the remains in sedimentary layers resembling annual tree rings. Richard Conniff, Smithsonian Magazine, 24 Aug. 2022 The most recent sample, a sedimentary rock, holds the greatest promise of containing possible evidence of ancient Martian life, said Arizona State University's Meenakshi Wadhwa, chief scientist for the retrieval effort. Jonathan Moore, Fox News, 28 July 2022 The sedimentary rock recently photographed by Perseverance’s hazard cameras is exactly the kind that the rover was designed to study. Marina Koren, The Atlantic, 6 July 2022 In the United States, it is found in the southern states, although this country is not a significant producer of that sedimentary rock. Ken Silverstein, Forbes, 2 June 2022 The Mars rover's current focus is drilling cores and examing the sedimentary rocks around the delta area. Megan Marples, CNN, 9 June 2022 These conclusions come from chemical patterns in a group of sedimentary rocks, called the Murray formation, that Curiosity sampled along its path up Mount Sharp. Lee Billings, Scientific American, 1 Nov. 2021 See More