A second constraint on the timescale of canyon filling relates to the cyclic stratigraphy documented at the Umberatana syncline example. |
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The displacement of the thrust sheet produces two anticlines and a syncline. |
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At several localities a west-verging footwall syncline has developed as a consequence of westward transport on the overlying thrust sheet. |
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In its hanging wall, however, a drag fold syncline and a rollover anticline developed. |
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The Piora syncline is also successfully mastered in the west tunnel of the Gotthard Base Tunnel. |
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Advancing at a rate of 10 to 12 m per day, the tunnel boring machine made good progress through the approximately 150-metres-long Piora syncline. |
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At the end of August 2008, the tunnel boring machine in the east tunnel was parked around 100 m ahead of the Piora syncline. |
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The Piora syncline was a key point in the geology, since its structure and extent were initially unclear. |
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A westward thickening wedge of Cretaceous-Tertiary strata overlie a broad Lower Paleozoic syncline. |
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East of the Sakami fault and in continuity with the arenites, an anticline and a syncline are recognized, in an ESE direction. |
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Lowered strata develop into synclines, and a circular depression called a rim syncline may encircle or nearly encircle the domal uplift. |
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Construction work began on the Piora test bore system in 1993, which in 1998 delivered clear results regarding the geology of the Piora syncline. |
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It is located on the eastern flank of the In Rabir syncline in volcanic-sedimentary formations. |
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Remapping of several nunataks and ridge exposures reveals that the basal Neptune Group truncates a large-scale, closed syncline, developed within the Nelson Limestone. |
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At the time when the trough of the syncline was worked, it was decided to abandon the wall vein of seam I because of the poor quality of the coal. |
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The annular syncline, the basement rock dome and erosion resistant strata of the overturned collar help define the ring structure of the meteorite impact structure. |
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A large E-W-oriented syncline crosses the Wabamisk property. |
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Basin, in geology, a broad shallow trough or syncline, a structure in the bedrock, not to be confused with a physiographic river basin, although the two may coincide. |
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Groundbreaking ceremony for the Piora exploratory bore system: the position, extent and geological-hydrogeological characteristics of the Piora syncline will be investigated. |
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The domaine is located 500m above sea level in a natural syncline that gives it a unique microclimate. |
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At the level of the base tunnel, the rocks of the Piora syncline are solid, dense and dry, and can be excavated with a tunnel boring machine or by drilling and blasting. |
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Driving the Gotthard Base Tunnel through the Piora syncline is progressing well: the tunnel boring machine in the east tunnel has already cut through 74 percent of this geologically challenging zone. |
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The well is expected to be drilled to a true vertical depth of 12,500 to test multiple Lower Miocene age Marg and Discorbis sand reservoirs in a fault closure syncline. |
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Hugh Miller discovered and explored the fossil fish of the Black Isle syncline, 350 to 400million-year-old rocks, and published the results in 1841 in The Old Red Sandstone. |
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Lying on the edge of the Scafell Syncline, the various strata dip to the east. |
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According to Arctic Slope's calculations, 50,000 tons would have to be marketable from the Deadfall Syncline site to make the operation feasible. |
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The Native regional corporation has proposed developing its Deadfall Syncline Coal Prospect, bordering the Chukchi Sea north of Kotzebuc and Nome. |
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Point Reyes is bounded to the east by the San Andreas Fault, which runs directly under Tomales Bay, and is structurally dominated by the Point Reyes Syncline. |
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