新墨西哥州萨克拉门托山脉密西西比河谷组碳酸盐海底扇矿床

IF 1.9 3区 地球科学 Q1 GEOLOGY Depositional Record Pub Date : 2023-08-04 DOI:10.1002/dep2.246
James Bishop, Steve Bachtel, Jesse Thompson, Cody Miller, Brooks Ryan, Morgan Sullivan, Zane Jobe
{"title":"新墨西哥州萨克拉门托山脉密西西比河谷组碳酸盐海底扇矿床","authors":"James Bishop,&nbsp;Steve Bachtel,&nbsp;Jesse Thompson,&nbsp;Cody Miller,&nbsp;Brooks Ryan,&nbsp;Morgan Sullivan,&nbsp;Zane Jobe","doi":"10.1002/dep2.246","DOIUrl":null,"url":null,"abstract":"<p>Deep-water carbonate deposition is relatively poorly understood but an area of vigorous research in academia and industry, where these deposits are a significant component of many unconventional petroleum reservoirs. Recent studies of modern deep-water carbonates have highlighted the wide variety of depositional processes, sediment types and resultant geomorphology; however, well-documented outcrops of ancient systems, their rock types and architecture are relatively sparse. The Mississippian Lake Valley Formation provides world-class exposures of slope-basinal carbonate deposits. The Tierra Blanca and Doña Ana members comprise submarine fans that are &gt;14 to 20 km in length, &gt;5 km wide, and exposed in strike and dip view, affording a unique opportunity to constrain the architecture, rock types and sedimentary processes. Tierra Blanca and Doña Ana sedimentation was dominated by crinoids shed from an up-dip platform and supplemented by sediments sourced locally from Waulsortian mounds. Depositional processes include turbidity flows, debris flows and hybrid sediment-gravity flows. The Tierra Blanca submarine fan thins towards its lateral flanks and distal fringe, where deposits become more mud-dominated, gravelly grain-supported flows are less common, and fewer beds have scoured bases. In proximal settings, bed tracing complemented by measured sections allow mapping of stratal surfaces and identification of stories, elements and complexes. The Tierra Blanca evolved from more unconfined to confined deposition. Point-sourced deposition of the Tierra Blanca fan required a funnelling mechanism, probably due to bathymetry created by Waulsortian mounds or possibly a platform margin re-entrant. Outcrop exposures illustrate that younger Doña Ana submarine fan deposits onlap onto, and compensationally stack with, the thickest portions of the antecedent Tierra Blanca fan. These outcrops illustrate both similarities and differences between carbonate and siliciclastic gravity flow deposits. Similarities include comparable deposit types, depositional processes and architecture; differences relate to hydrodynamics of carbonate grains, funnelling mechanisms for point-sourced deposits and sequence stratigraphic forcing.</p>","PeriodicalId":54144,"journal":{"name":"Depositional Record","volume":null,"pages":null},"PeriodicalIF":1.9000,"publicationDate":"2023-08-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/dep2.246","citationCount":"0","resultStr":"{\"title\":\"Carbonate submarine fan deposits of the Mississippian Lake Valley Formation, Sacramento Mountains, New Mexico\",\"authors\":\"James Bishop,&nbsp;Steve Bachtel,&nbsp;Jesse Thompson,&nbsp;Cody Miller,&nbsp;Brooks Ryan,&nbsp;Morgan Sullivan,&nbsp;Zane Jobe\",\"doi\":\"10.1002/dep2.246\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<p>Deep-water carbonate deposition is relatively poorly understood but an area of vigorous research in academia and industry, where these deposits are a significant component of many unconventional petroleum reservoirs. Recent studies of modern deep-water carbonates have highlighted the wide variety of depositional processes, sediment types and resultant geomorphology; however, well-documented outcrops of ancient systems, their rock types and architecture are relatively sparse. The Mississippian Lake Valley Formation provides world-class exposures of slope-basinal carbonate deposits. The Tierra Blanca and Doña Ana members comprise submarine fans that are &gt;14 to 20 km in length, &gt;5 km wide, and exposed in strike and dip view, affording a unique opportunity to constrain the architecture, rock types and sedimentary processes. Tierra Blanca and Doña Ana sedimentation was dominated by crinoids shed from an up-dip platform and supplemented by sediments sourced locally from Waulsortian mounds. Depositional processes include turbidity flows, debris flows and hybrid sediment-gravity flows. The Tierra Blanca submarine fan thins towards its lateral flanks and distal fringe, where deposits become more mud-dominated, gravelly grain-supported flows are less common, and fewer beds have scoured bases. In proximal settings, bed tracing complemented by measured sections allow mapping of stratal surfaces and identification of stories, elements and complexes. The Tierra Blanca evolved from more unconfined to confined deposition. Point-sourced deposition of the Tierra Blanca fan required a funnelling mechanism, probably due to bathymetry created by Waulsortian mounds or possibly a platform margin re-entrant. Outcrop exposures illustrate that younger Doña Ana submarine fan deposits onlap onto, and compensationally stack with, the thickest portions of the antecedent Tierra Blanca fan. These outcrops illustrate both similarities and differences between carbonate and siliciclastic gravity flow deposits. Similarities include comparable deposit types, depositional processes and architecture; differences relate to hydrodynamics of carbonate grains, funnelling mechanisms for point-sourced deposits and sequence stratigraphic forcing.</p>\",\"PeriodicalId\":54144,\"journal\":{\"name\":\"Depositional Record\",\"volume\":null,\"pages\":null},\"PeriodicalIF\":1.9000,\"publicationDate\":\"2023-08-04\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"https://onlinelibrary.wiley.com/doi/epdf/10.1002/dep2.246\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Depositional Record\",\"FirstCategoryId\":\"89\",\"ListUrlMain\":\"https://onlinelibrary.wiley.com/doi/10.1002/dep2.246\",\"RegionNum\":3,\"RegionCategory\":\"地球科学\",\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"Q1\",\"JCRName\":\"GEOLOGY\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Depositional Record","FirstCategoryId":"89","ListUrlMain":"https://onlinelibrary.wiley.com/doi/10.1002/dep2.246","RegionNum":3,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q1","JCRName":"GEOLOGY","Score":null,"Total":0}
引用次数: 0

摘要

深水碳酸盐沉积相对来说知之甚少,但这是学术界和工业界大力研究的一个领域,这些沉积是许多非常规石油储层的重要组成部分。最近对现代深水碳酸盐岩的研究强调了各种各样的沉积过程、沉积物类型和由此形成的地貌;然而,有充分记录的古代系统的露头、岩石类型和建筑相对稀少。密西西比河谷组提供了世界级的斜坡-盆地碳酸盐矿床。Tierra Blanca和Doña Ana成员由长>14至20公里、宽>5公里的海底扇组成,在走向和倾角视图中暴露,为限制结构、岩石类型和沉积过程提供了独特的机会。Tierra Blanca和Doña Ana沉积以从上倾平台脱落的海百合为主,并辅以来自Waulsortian土堆的当地沉积物。沉积过程包括浊流、泥石流和沉积物-重力混合流。Tierra Blanca海底扇向其侧翼和远端边缘变薄,在那里沉积物变得更加以泥为主,砾石颗粒支撑的水流不太常见,冲刷基底的河床也更少。在近端环境中,通过测量剖面进行床层追踪,可以绘制地层表面图,并识别楼层、元素和综合体。Tierra Blanca从无限制沉积演化为限制沉积。Tierra Blanca扇的点源沉积需要漏斗机制,这可能是由于Waulsortian土堆或平台边缘凹入物造成的水深测量。露头暴露表明,年轻的Doña Ana海底扇沉积在先前Tierra Blanca扇的最厚部分上,并与之补偿叠加。这些露头说明了碳酸盐和硅质碎屑重力流矿床之间的相似性和差异性。相似之处包括可比较的矿床类型、沉积过程和构造;差异与碳酸盐颗粒的流体力学、点源矿床的漏斗机制和层序地层强迫有关。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

摘要图片

查看原文
分享 分享
微信好友 朋友圈 QQ好友 复制链接
本刊更多论文
Carbonate submarine fan deposits of the Mississippian Lake Valley Formation, Sacramento Mountains, New Mexico

Deep-water carbonate deposition is relatively poorly understood but an area of vigorous research in academia and industry, where these deposits are a significant component of many unconventional petroleum reservoirs. Recent studies of modern deep-water carbonates have highlighted the wide variety of depositional processes, sediment types and resultant geomorphology; however, well-documented outcrops of ancient systems, their rock types and architecture are relatively sparse. The Mississippian Lake Valley Formation provides world-class exposures of slope-basinal carbonate deposits. The Tierra Blanca and Doña Ana members comprise submarine fans that are >14 to 20 km in length, >5 km wide, and exposed in strike and dip view, affording a unique opportunity to constrain the architecture, rock types and sedimentary processes. Tierra Blanca and Doña Ana sedimentation was dominated by crinoids shed from an up-dip platform and supplemented by sediments sourced locally from Waulsortian mounds. Depositional processes include turbidity flows, debris flows and hybrid sediment-gravity flows. The Tierra Blanca submarine fan thins towards its lateral flanks and distal fringe, where deposits become more mud-dominated, gravelly grain-supported flows are less common, and fewer beds have scoured bases. In proximal settings, bed tracing complemented by measured sections allow mapping of stratal surfaces and identification of stories, elements and complexes. The Tierra Blanca evolved from more unconfined to confined deposition. Point-sourced deposition of the Tierra Blanca fan required a funnelling mechanism, probably due to bathymetry created by Waulsortian mounds or possibly a platform margin re-entrant. Outcrop exposures illustrate that younger Doña Ana submarine fan deposits onlap onto, and compensationally stack with, the thickest portions of the antecedent Tierra Blanca fan. These outcrops illustrate both similarities and differences between carbonate and siliciclastic gravity flow deposits. Similarities include comparable deposit types, depositional processes and architecture; differences relate to hydrodynamics of carbonate grains, funnelling mechanisms for point-sourced deposits and sequence stratigraphic forcing.

求助全文
通过发布文献求助,成功后即可免费获取论文全文。 去求助
来源期刊
CiteScore
4.10
自引率
16.70%
发文量
42
审稿时长
16 weeks
期刊最新文献
Issue Information The early–middle Cambrian siliciclastic tide-dominated succession in eastern Korea Preservation of groove mark striae formed by armoured mud clasts: The role of armour sediment size and bed yield stress Micritisation products in the inner ramp settings of the Abu Dhabi Lagoon Issue Information
×
引用
GB/T 7714-2015
复制
MLA
复制
APA
复制
导出至
BibTeX EndNote RefMan NoteFirst NoteExpress
×
×
提示
您的信息不完整,为了账户安全,请先补充。
现在去补充
×
提示
您因"违规操作"
具体请查看互助需知
我知道了
×
提示
现在去查看 取消
×
提示
确定
0
微信
客服QQ
Book学术公众号 扫码关注我们
反馈
×
意见反馈
请填写您的意见或建议
请填写您的手机或邮箱
已复制链接
已复制链接
快去分享给好友吧!
我知道了
×
扫码分享
扫码分享
Book学术官方微信
Book学术文献互助
Book学术文献互助群
群 号:481959085
Book学术
文献互助 智能选刊 最新文献 互助须知 联系我们:info@booksci.cn
Book学术提供免费学术资源搜索服务,方便国内外学者检索中英文文献。致力于提供最便捷和优质的服务体验。
Copyright © 2023 Book学术 All rights reserved.
ghs 京公网安备 11010802042870号 京ICP备2023020795号-1