Collaborative Research: Understanding the Late Paleozoic Icehouse from a Southern Hemisphere (Paranaì Basin, Brazil) paleo-perspective
合作研究:从南半球(巴西巴拉那盆地)古角度了解晚古生代冰室
基本信息
- 批准号:1729219
- 负责人:
- 金额:$ 20.57万
- 依托单位:
- 依托单位国家:美国
- 项目类别:Standard Grant
- 财政年份:2017
- 资助国家:美国
- 起止时间:2017-09-01 至 2022-08-31
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
The late Paleozoic Ice Age is the longest-lived glacial interval of the past half billion years, sharing many parallels with the current icehouse in which humans evolved and live. During the Paleozoic icehouse (340 to 290 million years ago) atmospheric oxygen and carbon levels were anomalous, life moved onto land, the first wooded forests expanded across the Earth, and large-scale wildfires emerged. Thus, it is important that we develop a more complete understanding of the late Paleozoic Earth and its dynamic glaciation history. The glacial-marine Parana Basin, Brazil provides an ideal opportunity for this work and the project will include training for U.S. and Brazilian students through seminars, field and lab work, and exchange visits.This research will address three research objectives. First, an exportable, accurate and high-precision chronostratigraphic framework will be built by defining U-Pb zircon ages of unprecedented precision and accuracy for this region. This will permit testing of existing hypotheses of Gondwanan glaciation and will place constraints on the degree of synchronicity of the glaciations and establish the timing of terminal deglaciation in west-central Gondwana. Second, refined depositional and glaciation models will be developed through sedimentologic and detrital zircon provenance studies, integrated into the high-precision chronostratigraphic framework. This will place quantitative constraints on the timing, source, and geographic extent of glaciers feeding into the Parana Basin and permit reconstruction of changes in their glacial mass balance through time. Third, this research will develop U-Pb age-calibrated geochemical proxy records of continental climate variability that will test the hypothesis that major shifts in regional climate occurred in-step with periods of glacier advance/retreat and terminal deglaciation. This project will lead to a more complete understanding of icehouse to greenhouse transitions of the past.
晚古生代冰河时代是过去5亿年中最长的冰河时期,与人类进化和生活的冰窖有许多相似之处。在古生代冰库时期(3.4亿至2.9亿年前),大气中的氧和碳含量异常,生命转移到陆地上,第一批树木繁茂的森林在地球上扩张,大规模的野火出现。 因此,重要的是,我们开发一个更完整的了解晚古生代地球及其动态冰川的历史。巴西的巴拉那冰川海洋盆地为这项工作提供了一个理想的机会,该项目将包括通过研讨会、实地和实验室工作以及交流访问对美国和巴西学生进行培训。首先,通过对该地区前所未有的精确和准确的锆石U-Pb年龄的确定,建立一个可输出的、精确的、高精度的年代地层格架。这将允许测试现有的冈瓦纳冰川作用的假设,并将限制冰川作用的同步性程度,并建立在中西部冈瓦纳终端冰川消退的时间。第二,将通过沉积学和碎屑锆石来源研究,建立完善的沉积和冰川作用模型,并将其纳入高精度年代地层框架。这将对流入巴拉那盆地的冰川的时间、来源和地理范围进行定量限制,并允许重建冰川物质平衡随时间的变化。第三,这项研究将开发U-Pb年龄校准的地球化学代用记录大陆气候的变化,将测试的假设,在区域气候的重大变化发生在冰川前进/后退和终端冰川消退的阶段。该项目将导致对过去冰室到温室过渡的更完整的理解。
项目成果
期刊论文数量(39)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
HIGH-RESOLUTION AGE CONTROL FOR THE LATE PALEOZOIC ICE AGE SUCCESSIONS ACROSS SW AND SC GONDWANA – IMPLICATIONS FOR CLIMATIC FORCING FOR THE END OF THE LPIA
对西冈瓦纳和南冈瓦纳古生代晚期冰河时代演替的高分辨率年龄控制对 LPIA 结束的气候强迫的影响
- DOI:10.1130/abs/2018am-324163
- 发表时间:2018
- 期刊:
- 影响因子:0
- 作者:Griffis, Neil;Mundil, Roland;Mundil, Roland;Montañez, Isabel P.;Montañez, Isabel P.;Linol, Bastien;Linol, Bastien;de Wit, Maarten J.;de Wit, Maarten J.;Isbell, John L.
- 通讯作者:Isbell, John L.
Interpreting detrital modes and geochemistry of sandstones from the late Paleozoic Tepuel-Genoa Basin: Paleogeographic implications (Patagonia, Argentina)
解释晚古生代特普埃尔-热那亚盆地砂岩的碎屑模式和地球化学:古地理意义(阿根廷巴塔哥尼亚)
- DOI:10.1016/j.jsames.2020.102858
- 发表时间:2020
- 期刊:
- 影响因子:1.8
- 作者:Ciccioli, P. L.;Limarino, C. O.;Isbell, J.L.;Taboada, A. C.;Pagani, M. A.;Gulbranson, E.L.
- 通讯作者:Gulbranson, E.L.
A paleoclimatic reconstruction of the Carboniferous-Permian paleovalley fill in the eastern Paganzo Basin: Insights into glacial extent and deglaciation of southwestern Gondwana
帕甘佐盆地东部石炭纪-二叠纪古谷充填物的古气候重建:对冈瓦纳西南部冰川范围和消融的见解
- DOI:10.1016/j.jsames.2019.102236
- 发表时间:2019
- 期刊:
- 影响因子:1.8
- 作者:Pauls, Kathryn N.;Isbell, John L.;McHenry, Lindsay;Limarino, C. Oscar;Moxness, Levi D.;Schencman, L. Jazmin
- 通讯作者:Schencman, L. Jazmin
Detrital zircon geochronology and provenance of glaciogenic strata of the Middle Carboniferous San Eduardo Formation, Calingasta-Uspallata Basin, NW Argentina
阿根廷西北部卡林加斯塔-乌斯帕亚塔盆地中石炭统圣爱德华多组冰川成因地层的碎屑锆石年代学和物源
- DOI:10.1130/abs/2019am-337940
- 发表时间:2019
- 期刊:
- 影响因子:0
- 作者:Malone, J. E.
- 通讯作者:Malone, J. E.
CARBONIFEROUS GLACIOTECTONIZED SEDIMENTS ON THE WESTERN RIO GRANDE DO SUL SHIELD, PARANÁ BASIN, SOUTHERNMOST BRAZIL
巴西最南端帕拉尼盆地南里奥格兰德州盾西部的石炭质冰川构造沉积物
- DOI:10.1130/abs/2017am-303554
- 发表时间:2017
- 期刊:
- 影响因子:0
- 作者:Fedorchuk, Nicholas D.;Isbell, John L.;Griffis, Neil;Montanez, Isabel P.;Vesely, Fernando;Iannuzzi, Roberto;Rosa, Eduardo L.M.;Roesler, Guilherme A.
- 通讯作者:Roesler, Guilherme A.
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John Isbell其他文献
Zero sets of polynomials in finite rings
- DOI:
10.1007/bf02188013 - 发表时间:
1981-12-01 - 期刊:
- 影响因子:0.700
- 作者:
John Isbell - 通讯作者:
John Isbell
Interstrain Differences of <em>In Vitro</em> Metabolic Stability and Impact on Early Drug Discovery
- DOI:
10.1002/jps.22179 - 发表时间:
2010-11-01 - 期刊:
- 影响因子:
- 作者:
Wendy Richmond;Megan Wogan;John Isbell;W. Perry Gordon - 通讯作者:
W. Perry Gordon
Acoustic Droplet Ejection and Open Port Interface for Rapid Analysis of Metabolic Stability Assays
- DOI:
10.1016/j.xphs.2020.07.025 - 发表时间:
2020-11-01 - 期刊:
- 影响因子:
- 作者:
Tom Hollenbeck;Stefan Thibodeaux;Patrick White;Lucas Westling;Ashley Chong;John Isbell - 通讯作者:
John Isbell
Cherry-Picking in an Orchard: Unattended LC/MS Analysis from an Autosampler with >32,000 Samples Online
- DOI:
10.1177/1087057105285837 - 发表时间:
2006-04-01 - 期刊:
- 影响因子:
- 作者:
Nader Ari;Lucas Westling;John Isbell - 通讯作者:
John Isbell
Generating the algebraic theory ofC(X)
- DOI:
10.1007/bf02483718 - 发表时间:
1982-12-01 - 期刊:
- 影响因子:0.600
- 作者:
John Isbell - 通讯作者:
John Isbell
John Isbell的其他文献
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{{ truncateString('John Isbell', 18)}}的其他基金
IRES: Late Paleozoic Gondwanan Ecosystems
IRES:晚古生代冈瓦纳生态系统
- 批准号:
1559231 - 财政年份:2016
- 资助金额:
$ 20.57万 - 项目类别:
Standard Grant
Collaborative Research: Permian and Triassic Icehouse to Greenhouse Paleoenvironments and Paleobotany in the Shackleton Glacier Area, Antarctica
合作研究:南极洲沙克尔顿冰川地区的二叠纪和三叠纪冰室到温室古环境和古植物学
- 批准号:
1443557 - 财政年份:2016
- 资助金额:
$ 20.57万 - 项目类别:
Standard Grant
US-Brazil Planning Visit: An Integrated Approach to Resolving the late Paleozoic Ice Age in the Parana Basin, Brazil
美国-巴西计划访问:解决巴西巴拉那盆地晚古生代冰河时代问题的综合方法
- 批准号:
1444181 - 财政年份:2015
- 资助金额:
$ 20.57万 - 项目类别:
Standard Grant
Collaborative Research:Application of Detrital Zircon Isotope Characteristics and Sandstone Analysis of Beacon Strata to the Tectonic Evolution of the Antarctic Sector of Gondwana
合作研究:碎屑锆石同位素特征和信标地层砂岩分析在冈瓦纳南极段构造演化中的应用
- 批准号:
0944532 - 财政年份:2010
- 资助金额:
$ 20.57万 - 项目类别:
Continuing Grant
Collaborative Research: Antarctic Ecosystems across the Permian-Triassic Boundary: Integrating Paleobotany, Sedimentology, and Paleoecology
合作研究:跨越二叠纪-三叠纪边界的南极生态系统:整合古植物学、沉积学和古生态学
- 批准号:
0943935 - 财政年份:2010
- 资助金额:
$ 20.57万 - 项目类别:
Continuing Grant
Collaborative IRES: Integrated Research & Educational Training of Geoscience Students in Deep-Time Paleoclimatology, Western South America
协作 IRES:综合研究
- 批准号:
0825617 - 财政年份:2008
- 资助金额:
$ 20.57万 - 项目类别:
Standard Grant
Collaborative Study: Re-evaluation of the Late Paleozoic Gondwanan Ice Age in Northern Victoria Land (Antarctica) and Tasmania (Australia)
合作研究:重新评估维多利亚州北部地区(南极洲)和塔斯马尼亚州(澳大利亚)晚古生代冈瓦纳冰期
- 批准号:
0635537 - 财政年份:2007
- 资助金额:
$ 20.57万 - 项目类别:
Standard Grant
Collaborative Research: Reconstructing the High Latitude Permian-Triassic: Life, Landscapes, and Climate Recorded in the Allan Hills, South Victoria Land, Antarctica
合作研究:重建高纬度二叠纪-三叠纪:南极洲南维多利亚州艾伦山记录的生命、景观和气候
- 批准号:
0440919 - 财政年份:2005
- 资助金额:
$ 20.57万 - 项目类别:
Standard Grant
Collaborative Research: Late Paleozoic-Mesozoic Fauna, Environment, Climate and Basinal History: Beardmore Glacier Area, Transantarctic Mountains
合作研究:晚古生代-中生代动物群、环境、气候和盆地历史:比尔德莫尔冰川地区、横贯南极山脉
- 批准号:
0126086 - 财政年份:2002
- 资助金额:
$ 20.57万 - 项目类别:
Continuing Grant
Collaborative Research: Permian-Triassic Basin History of Southern Victoria Land and the Darwin Mountains
合作研究:维多利亚州南部土地和达尔文山脉的二叠纪-三叠纪盆地历史
- 批准号:
9909637 - 财政年份:2000
- 资助金额:
$ 20.57万 - 项目类别:
Continuing Grant
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