A roll-over anticline developed between the Ying 1 and Ying 8 faults. Although not trapped by the fault itself, the petroleum may be trapped as an indirect result of it. Basement Rollover Anticline Undergraduate Seminar 9. The result is a rollover anticline, where oil and gas can accumulate. in "roll-over" anticlines on the down-faulted block. Define anticline. Basement uplift: Nontectonic; Folds result from deformation by nontectonic processes such as uplift by intrusion or diapirism, differential compaction, salt withdrawal, salt solution, or meteoric impact. Agbada Fm. anticline synonyms, anticline pronunciation, anticline translation, English dictionary definition of anticline. Some petroleum traps, however, form in "roll-over" anticlines on the down-faulted block. The scale and shape of a roll-over anticline is controlled by the listric geometry of the controlling fault ( Figure 3.4 ), its along-strike length and rate of throw accumulation. Rollover anticline; Form as a result of rollover into a listric normal fault. Some general points about fault traps… Line 3432, Fig. Roll-over Anticlines and Crestal Collapse Grabens Roll-over anticlines are syn-depositional structures developed at the downthrown sides of deltaic growth faults. Indeed, successively deposited sedimentary layers are involved in the different stages of the growth of the structure and produce a record of the deformation history. The growth fault is listric in shape. Growth faults develop when sediments are being deposited, are key elements in understanding deformation processes. 6c-c′ , central part of the transfer zone The offset on the Ying 31 and Ying 8 faults (throws of 131 and 79 m) has increased compared to section b-b’, while that on the Ying 1 fault has decreased (throw of 45 m). rollover The down-warping of the hanging wall block along a lystric fault, which occurs when a space opens next to the fault. FAULT, ROLLOVER ANTICLINE. Numerous subordinate traps are formed by the antithetic faults affecting the rollover anticline. Growth faults are syndepositional or syn-sedimentary extensional faults. Prime example of roll over anticline.jpg 1,739 × 511; 297 KB PSM V07 D410 An anticlinal valley with section.jpg 1,630 × 1,494; 638 KB PSM V13 D782 Ideal section of an anticlinal fold.png 824 × 245; 42 KB 9 October 2014 Diagram showing the regional structure distribution in the Niger delta (AAPG Bulletin, November 2005, v. 89, p.1475-1491) Undergraduate Seminar 10. This is a popular hiking and biking site because of the great biodiversity, geologic beauty and paleontological resources. The dip of a growth fault approaches the horizontal at depth; deposition is faster on the downthrown side, which tends to "roll over" or curl downward. Intrusive core; Dome or anticline form as a result of intrusion. Roll-over anticline structure. Growth faults may reduce porewater circulation in sedimentary basins; consequently, undercompacted clays, which may develop into clay diapirs, are often associated with growth faults. Akata Fm. Another notable anticline is the Tierra Amarilla anticline in San Ysidro, New Mexico. The resulting structure is usually called a ‘rollover anticline’. The rollover anticline is a type of fold structure that is related to a growth fault with formations “dipping backward” to a fault plane. Rollover anticlines - form when the hanging wall slumps into the low pressure extensional zone associated with listric normal faultingShape and displacementof normal faults - growth faults . The resulting structure is usually called a ‘rollover anticline’. Of rollover into a listric normal fault a result of it at the downthrown sides of growth. Growth fault with formations “dipping backward” to a fault plane growth fault with formations backward”... 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