Knowledge Resource Center for Ecological Environment in Arid Area
| DOI | 10.1016/j.marpetgeo.2018.12.043 |
| Re-evaluating the sedimentology and sequence stratigraphy of classic Book Cliffs outcrops at Tusher and Thompson canyons, eastern Utah, USA: Applications to correlation, modelling, and prediction in similar nearshore terrestrial to shallow marine subsurface settings worldwide | |
| Pattison, Simon A. J. | |
| 通讯作者 | Pattison, Simon A. J. |
| 来源期刊 | MARINE AND PETROLEUM GEOLOGY
 |
| ISSN | 0264-8172 |
| EISSN | 1873-4073 |
| 出版年 | 2019 |
| 卷号 | 102页码:202-230 |
| 英文摘要 | The Campanian Book Cliffs strata of eastern Utah and western Colorado has been used to develop, test and refine sedimentological and stratigraphic ideas and models over the years, including the principles and concepts of sequence stratigraphy. Book Cliffs data sets are often used as outcrop analogues for similar subsurface settings worldwide. Thousands of geologists have visited the Book Cliffs, including the archetypal Desert Member-to Lower Castlegate Sandstone outcrops at Tusher and Thompson canyons, which are the focus of this study. These localities regularly serve as representative field stops for teaching sequence stratigraphy. Recent work has begun to cast doubt on certain aspects of the conventional sequence stratigraphic interpretation of the Desert-Castlegate interval, hence re-evaluation of these classic outcrops is warranted. A progradational stack of shallow marine to nearshore terrestrial facies are observed at Tusher Canyon. From bottom to top these include shelf mudstones, lower shoreface-to-inner shelf heterolithics, foreshore-to-upper shoreface sandstones cut by distributary and tidal-estuarine channels, coal-bearing coastal plain mudstones with single-storey fluvial sandstones, amalgamated multi-storey fluvial channel-fills, and a capping coastal plain mudstone package overlain by the marine mudstones of the Buck Tongue of the Mancos Shale. A similar progradationally-stacked facies succession is observed 30 km basinwards at Thompson Canyon, with the exception of the proximal amalgamated fluvial sandstone package, which is absent. Five of eleven Desert Member parasequences, D1 to D5, are noted at Tusher Canyon, while all eleven Desert parasequences, D1 to D11 and two of six Castlegate parasequences, C1 and C2, are identified at Thompson Canyon. Although parasequences and their flooding surfaces can be correlated between Tusher and Thompson canyons, the discrete shoreface-incised channels are only restricted to the proximal portions of each parasequence. These channels mostly cut foreshore-shoreface sandstones, and are not continuously correlatable between Tusher and Thompson canyons. Re-examination of these Desert-Castlegate outcrops exemplifies the misfit with the conventional sequence stratigraphic model, specifically the mis-correlation of the D5 and D11 shoreface-incised channels. Over 60 m of deposits separate the D5 and D11 horizons along 30 km of dip-oriented outcrop between Tusher and Thompson canyons. Contrary to earlier interpretations, the shoreface-incised channels in the Desert-Castlegate are not nested within larger incised valley fills. An alternative model showing temporal and spatial linkage between the nearshore terrestrial and laterally adjoining shallow marine facies is the best fit with the Desert-Castlegate field observations. Selecting the appropriate correlation style has significant implications for the prediction of sand body continuity, connectivity and distribution, especially applications to subsurface data sets where visualization is limited and correlation uncertainties are high. |
| 英文关键词 | Sequence stratigraphy Correlation Modelling Prediction Outcrop analogue Book Cliffs Desert-Castlegate |
| 类型 | Article |
| 语种 | 英语 |
| 国家 | Canada |
| 收录类别 | SCI-E |
| WOS记录号 | WOS:000464086400016 |
| WOS关键词 | NONMARINE FACIES ARCHITECTURE ; FORELAND BASIN STRATA ; CASTLEGATE SANDSTONE ; BLACKHAWK FORMATION ; TECTONIC CONTROL ; WESTERN INTERIOR ; MEMBER ; COLORADO ; PARASEQUENCE ; DEPOSITS |
| WOS类目 | Geosciences, Multidisciplinary |
| WOS研究方向 | Geology |
| 资源类型 | 期刊论文 |
| 条目标识符 | http://119.78.100.177/qdio/handle/2XILL650/217545 |
| 作者单位 | Brandon Univ, Dept Geol, Brandon, MB R7A 6A9, Canada |
| 推荐引用方式 GB/T 7714 | Pattison, Simon A. J.. Re-evaluating the sedimentology and sequence stratigraphy of classic Book Cliffs outcrops at Tusher and Thompson canyons, eastern Utah, USA: Applications to correlation, modelling, and prediction in similar nearshore terrestrial to shallow marine subsurface settings worldwide[J],2019,102:202-230. |
| APA | Pattison, Simon A. J..(2019).Re-evaluating the sedimentology and sequence stratigraphy of classic Book Cliffs outcrops at Tusher and Thompson canyons, eastern Utah, USA: Applications to correlation, modelling, and prediction in similar nearshore terrestrial to shallow marine subsurface settings worldwide.MARINE AND PETROLEUM GEOLOGY,102,202-230. |
| MLA | Pattison, Simon A. J.."Re-evaluating the sedimentology and sequence stratigraphy of classic Book Cliffs outcrops at Tusher and Thompson canyons, eastern Utah, USA: Applications to correlation, modelling, and prediction in similar nearshore terrestrial to shallow marine subsurface settings worldwide".MARINE AND PETROLEUM GEOLOGY 102(2019):202-230. |
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