tapeats sandstone造句

• The two units lie above the erosion-resistant cliff-forming Tapeats Sandstone.
• They are covered by nearly horizontal Tapeats Sandstone.
• Thin drapes of Tapeats Sandstone of the Tonto Group now cover most of these ancient monadnocks.
• Within the central Grand Canyon, it has been removed by pre-Tapeats Sandstone erosion.
• Within the central Grand Canyon, it also has been removed by pre-Tapeats Sandstone erosion.
• The Toroweap Overlook lies above the erosion resistant Tapeats Sandstone, near its west terminus in Grand Canyon.
• Thin drapes of Tapeats Sandstone of the Tonto Group either cover or drape onto most of these ancient monadnocks.
• The extensive Tonto Trail lies on parts of the Tapeats Sandstone, and the platform on the south side of Granite Gorge.
• The contact between the Hatakai Shale and the Tapeats Sandstone forms part of a relative flat surface that lies between the monadnocks.
• The contact between the Bass Formation and the Tapeats Sandstone forms part of a relative flat surface that lies between the monadnocks.
• The contact between the Tapeats Sandstone and the Cardenas Basalt and rest of the folded and faulted Unkar Group is a prominent angular unconformity.
• The contact between the Tapeats Sandstone and Hatakai Shale and the rest of the angular unconformity, which is part of the Great Unconformity.
• The contact between the Tapeats Sandstone and Bass Formation and the rest of the angular unconformity, which is part of the Great Unconformity.
• The contact between the overlying Tapeats Sandstone and the folded and faulted Nankoweap Formation is a prominent angular unconformity that is part of the Great Unconformity.
• The surface of this angular unconformity is quite irregular as differential erosion of the resistant basalt sill formed monadnocks that have been buried by Tapeats Sandstone.
• These monadnocks served locally as sources of coarse-grained sediments during the marine transgression that deposited the Tapeats Sandstone and other members of the Tonto Group.
• The actual depositional thickness of the Sixtymile Formation is unknown owing to erosion during the formation of the Great Unconformity and prior to deposition of the Tapeats Sandstone.
• Within the central Grand Canyon, pre-Tapeats Sandstone erosion has removed parts of the Unkar Group above the level of the middle part of the Dox Formation.
• Prior to the deposition of the Tapeats Sandstone, erosion removed all of the Upper Member of the Sixtymile from all but the central part of the Chuar syncline.
• The base unit, the Cambrian Tapeats Sandstone was deposited upon the erosion surface of the Vishnu Basement Rocks, which is found in Granite Gorge ( the Inner Gorge ).