Collaborative Research: Lithospheric Structure and Evolution of the Rocky Mountains: Phase 2
合作研究:落基山脉岩石圈结构和演化:第二阶段
基本信息
- 批准号:0208215
- 负责人:
- 金额:$ 5万
- 依托单位:
- 依托单位国家:美国
- 项目类别:Standard Grant
- 财政年份:2002
- 资助国家:美国
- 起止时间:2002-09-01 至 2003-08-31
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
0208215BowringThis award provides continued funding for the CD-ROM (Continental Dynamics of the Rocky Mountains) collaborative investigation which is designed to understand the tectonic evolution of the lithosphere of the southern Rocky Mountains. A transect from Wyoming to New Mexico is providing an opportunity to evaluate the hypothesis that lithospheric architecture of the Southwest reflects a resolvable mixture of structures that formed during early Proterozoic assembly of the continent and modifications that took place during younger intracratonic tectonism that were themselves influenced by the Proterozoic compositional structure. Phase 1 (1997-2001) was successful in substantially verifying this hypothesis. The PIs imaged the Cheyenne Belt and Jemez lineament; both are interpreted to be Paleoproterozoic paleosubduction zones that also show long-lived and strong influence on younger intracratonic tectonism. Both are also associated with lateral changes in deep chemical lithosphere, such that the mantle provinces can be linked to crustal provinces, demonstrating the antiquity of the mantle transitions. With this "bridge funding" award, the Principal Investigators will conduct an annual workshop, complete the analysis of data sets generated in Phase 1, increase productivity in terms of published papers, and prepare for Phase 2 of the CD-ROM project.***
该奖项继续为旨在了解落基山脉南部岩石圈构造演化的CD-ROM(落基山脉大陆动力学)合作调查提供资金。从怀俄明州到新墨西哥州的一条横断面提供了一个机会来评估这样一种假设,即西南部的岩石圈结构反映了早元古代大陆组装期间形成的构造和年轻的克拉通内构造作用期间发生的修改的可分辨混合物,这些构造本身受到元古代组成结构的影响。第一阶段(1997-2001年)成功地验证了这一假设。PI成像了夏延带和杰梅兹线;两者都被解释为古元古代古俯冲带,也显示了对年轻的克拉通内构造作用的长期和强烈的影响。两者也都与深部化学岩石圈的横向变化有关,因此地幔省可以与地壳省联系在一起,表明地幔过渡的古老。有了这笔“过渡性资金”,首席调查员将举办年度研讨会,完成对第一阶段产生的数据集的分析,提高发表论文的生产力,并为光盘项目第二阶段做准备。*
项目成果
期刊论文数量(0)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
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Samuel Bowring其他文献
Evidence for initial excess <sup>231</sup>Pa in mid-ocean ridge zircons
- DOI:
10.1016/j.chemgeo.2015.01.011 - 发表时间:
2015-03-18 - 期刊:
- 影响因子:
- 作者:
Matthew Rioux;Samuel Bowring;Michael Cheadle;Barbara John - 通讯作者:
Barbara John
Samuel Bowring的其他文献
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{{ truncateString('Samuel Bowring', 18)}}的其他基金
Collaborative Research: Evaluating the Influence of Eocene Ridge Subduction on Magmatism, Deformation, and Basin Evolution, Pacific NW
合作研究:评估始新世洋脊俯冲对太平洋西北地区岩浆作用、变形和盆地演化的影响
- 批准号:
1118883 - 财政年份:2012
- 资助金额:
$ 5万 - 项目类别:
Continuing Grant
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合作研究:分析技术和软件:开发支持激光烧蚀 ICP 质谱分析的网络基础设施
- 批准号:
0930166 - 财政年份:2010
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$ 5万 - 项目类别:
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- 批准号:
1024196 - 财政年份:2010
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$ 5万 - 项目类别:
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Collaborative Research: Tectonic Links, Magma Fluxes, and Single Mineral Geochemistry in Plutonic Systems From 5-30 km Depth, Cascades Core, Washington
合作研究:5-30 公里深度的深成系统中的构造联系、岩浆通量和单一矿物地球化学,Cascades Core,华盛顿
- 批准号:
0948388 - 财政年份:2010
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Acquisition of a Thermal Ionization Mass Spectrometer for EARTHTIME
购买 EARTHTIME 热电离质谱仪
- 批准号:
0931839 - 财政年份:2009
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$ 5万 - 项目类别:
Standard Grant
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- 批准号:
0739726 - 财政年份:2008
- 资助金额:
$ 5万 - 项目类别:
Continuing Grant
Collaborative Research: Thermal Evolution of North American Lower Crust: U-Pb Thermochronological Constraints on the Seismic Properties of the Lithosphere
合作研究:北美下地壳热演化:U-Pb热年代学对岩石圈地震特性的约束
- 批准号:
0746205 - 财政年份:2008
- 资助金额:
$ 5万 - 项目类别:
Standard Grant
Collaborative Research: The Siberian Traps and the end-Permian Extinction: Coincidence and Causality
合作研究:西伯利亚地盾与二叠纪末灭绝:巧合与因果关系
- 批准号:
0807475 - 财政年份:2008
- 资助金额:
$ 5万 - 项目类别:
Continuing Grant
Collaborative Research: Calibrating Rates and Duration for Isotopic Variability During the Early Cambrian Radiation of Animals, Anti-Atlas Mountains, Morocco
合作研究:校准早寒武世动物辐射期间同位素变异的速率和持续时间,摩洛哥反阿特拉斯山脉
- 批准号:
0638634 - 财政年份:2007
- 资助金额:
$ 5万 - 项目类别:
Standard Grant
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