mud cracks造句

• Ripple marks and mud cracks occur throughout the series.
• In January, 2017, JPL scientists announced the discovery of mud cracks on Mars.
• _Low areas bear what appear to be mud cracks, like those in dry terrestrial lake beds.
• The formation of mud cracks and clasts signals that periodic drought conditions occurred in the quarry, Gates says.
• The most controversial evidence, the tiny fossil-like structures, might simply be dried-up mud cracks or other inorganic matter.
• Some of these rocks exhibit mud cracks and stromatolites, suggesting that deposition occurred in tidal or, at deepest, continental shelf environments.
• "Whether this is a fossil or a dried-up mud crack we can't say, " one scientist said.
• Ripple marks, mud cracks, and thinly laminated bedding suggest that these intervening red shale and siltstone units were deposited in tidal flat and coastalplain environments.
• For a formation to be recognised as evaporitic it may simply require recognition of halite pseudomorphs, sequences composed of some proportion of evaporite minerals, and recognition of mud crack textures or other textures.
• Gates examined sediments at the site and found signs of drought, like preserved mud cracks and so-called rip-up clasts _ curled sections of mud cracks worn down and flattened by water flows.
• Gates examined sediments at the site and found signs of drought, like preserved mud cracks and so-called rip-up clasts _ curled sections of mud cracks worn down and flattened by water flows.
• In comment on the Komatsu analysis, Atwater s team observed that there is substantial evidence for multiple large floods, including evidence of mud cracks and animal burrows in lower layers which were filled by sediment from later floods.
• Mud cracks, a few ripple marks, and incipient drainage channels were observed in the topmost bed of the Kayenta on Red Rock Plateau; and in west Glen Canyon, wide sand-filled cracks appear at the horizon.
• In response, Atwater s team observed that there is substantial evidence for multiple large floods, including evidence of mud cracks and animal burrows in lower layers of the Touchet beds, which were filled by sediment from later floods.
• The reason this happens is thought to be similar to how mud cracks at the bottom of a dry lake bed, leaving small chunks loose on the surface of the body, which later get pushed off of it due to radiation pressure sweeping.
• :: Answering my own ( sub )-question : some googling reveals that lobster-eyes have allegedly square facets in them : according to this creationism site and " the cross section of the stem of any member of the mint family of plants is a square " and " When a lake or river bed dries up and the sediment is exposed and that too dries up mud cracks are formed which are sometimes perfect squares " talk ) 14 : 55, 7 April 2011 ( UTC)