Global S&T Development Trend Analysis Platform of Resources and Environment
DOI | 10.1306/07151918158 |
No evidence for an unconformity at the base of the lower Castlegate Sandstone in the Campanian Book Cliffs, Utah-Colorado, United States: Implications for sequence stratigraphic models | |
Pattison, Simon A. J. | |
2020-03-15 | |
发表期刊 | AAPG BULLETIN
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ISSN | 0149-1423 |
EISSN | 1558-9153 |
出版年 | 2020 |
卷号 | 104期号:3页码:595-628 |
文章类型 | Article |
语种 | 英语 |
国家 | Canada |
英文摘要 | Regional high-resolution correlations of the Campanian Desert Member of the Blackhawk Formation to the lower Castlegate Sandstone interval, Book Cliffs, Utah-Colorado, show no evidence for a single, throughgoing unconformity separating the amalgamated channel sandstones of the Castlegate from the underlying Blackhawk Formation coastal-plain deposits. This is a facies contact, which interfingers both laterally and vertically. Channel incisions are discrete and mostly confined to individual parasequences. They do not coalesce landward into gigantic valleys as shown in the conventional model but are restricted to the proximal shoreface and are rarely traceable for more than a few kilometers landward. Timelines extend uninterrupted from the shallow marine into the neighboring coastal-plain deposits, connecting flooding surfaces with coals. Shoreface sandstones emerge from the adjacent coastal plain. This has significant implications for modeling in similar clastic settings worldwide. Conventional sequence stratigraphic models of fluviodeltaic systems show radically different stacking patterns compared to those of the high-resolution model presented herein. Each model carries a significantly different prediction regarding the three-dimensional distribution and architecture of reservoir and nonreservoir bodies in a fluviodeltaic system. Hydrocarbon exploration and development activities, such as optimally locating seismic surveys and/or drilling locations, could be impacted if the wrong model is applied. As such, it is recommended that fluviodeltaic systems worldwide should be critically reexamined in light of the high-resolution sequence stratigraphic model presented herein. |
领域 | 地球科学 |
收录类别 | SCI-E |
WOS记录号 | WOS:000520042700005 |
WOS关键词 | NONMARINE FACIES ARCHITECTURE ; SEA-LEVEL CHANGE ; FORELAND-BASIN ; WESTERN INTERIOR ; TECTONIC CONTROL ; TIME SURFACES ; BLACKHAWK FORMATION ; MESAVERDE GROUP ; MARINE ; QUATERNARY |
WOS类目 | Geosciences, Multidisciplinary |
WOS研究方向 | Geology |
URL | 查看原文 |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | http://119.78.100.173/C666/handle/2XK7JSWQ/248743 |
专题 | 地球科学 |
作者单位 | Brandon Univ, Dept Geol, Brandon, MB, Canada |
推荐引用方式 GB/T 7714 | Pattison, Simon A. J.. No evidence for an unconformity at the base of the lower Castlegate Sandstone in the Campanian Book Cliffs, Utah-Colorado, United States: Implications for sequence stratigraphic models[J]. AAPG BULLETIN,2020,104(3):595-628. |
APA | Pattison, Simon A. J..(2020).No evidence for an unconformity at the base of the lower Castlegate Sandstone in the Campanian Book Cliffs, Utah-Colorado, United States: Implications for sequence stratigraphic models.AAPG BULLETIN,104(3),595-628. |
MLA | Pattison, Simon A. J.."No evidence for an unconformity at the base of the lower Castlegate Sandstone in the Campanian Book Cliffs, Utah-Colorado, United States: Implications for sequence stratigraphic models".AAPG BULLETIN 104.3(2020):595-628. |
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