| 21. | Purcell Knob is notable for exposure of the Loudoun Formation in its antiformal syncline.
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| 22. | The rocks of Hertfordshire belong to the great shallow syncline known as the London Basin.
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| 23. | These are the White Deer Anticline, the Lackawanna Syncline, and the Milton Anticline.
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| 24. | The syncline is canoe-shaped, with a length of and a width of.
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| 25. | To the north is the Micheldever Syncline.
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| 26. | Key folds in the basin for hydrocarbon exploration include the Nuevo Mundo and Guaduas syncline.
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| 27. | Rossbach and Dennison ( 1994 ) extended the Foreknobs into the Catawba syncline of southwestern Virginia.
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| 28. | This member forms small hills within the Great Unconformity on either side of the Chuar syncline.
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| 29. | To the south-west across the River Test is the similar Alderbury-Mottisfont Syncline.
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| 30. | A syncline surrounds the center, where the axis forms a complete circle approximately two miles across.
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