Meteorite impact craters as natural "probes" and "gauges" on planetary surfaces
陨石撞击坑是行星表面的天然“探针”和“测量仪”
基本信息
- 批准号:RGPIN-2014-04215
- 负责人:
- 金额:$ 2.11万
- 依托单位:
- 依托单位国家:加拿大
- 项目类别:Discovery Grants Program - Individual
- 财政年份:2015
- 资助国家:加拿大
- 起止时间:2015-01-01 至 2016-12-31
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
Impact cratering is the most ubiquitous geologic process acting on solid planetary surfaces throughout the solar system and, thereby, played a significant role in the early formation, modification and in some cases the aqueous alteration of planetary crusts. Mounting evidence supports that impact cratering has not only physically modified the rocky surfaces of Earth and Mars, but may have also played a significant role in the evolution of early life and the concentration of mineral resources via the hydrothermal activity (i.e., heat-driven circulation of fluids). Impact craters are relatively consistent in morphology making them one of the most easily recognized features on planetary surfaces. Thereby, they are also useful as “probes” and “gauges” of the target properties, and geologic processes that modify planetary surfaces, respectively. Craters excavate, uplift and expose subsurface rocks that may not otherwise be exposed by other processes, and in some cases provide the only bedrock samples of the deep subsurface. Spectral remote sensing of theses features is often employed to identify these subsurface rocks on planetary bodies. However, there are various crater-related effects within these features that need to be better understood, in order to fully understand their effects on the rocks. Pristine crater morphology and morphometry (e.g., crater depth) can be used as a standard to understand target material properties and the effects and rates of subsequent modifying geologic processes. In addition, pristine craters offer us a glimpse of the relatively unmodified primary crater deposits, providing insights into the impact cratering process itself, and potentially paleo-environments on planetary bodies with atmospheres and target volatiles (e.g., water).
The long-term goals of my research program are to, 1) improve our understanding of the impact cratering process as a geologic process, and 2) learn about the geological history of upper crust and surface of Mars through remote sensing studies of its most ubiquitous landform – impact craters. This program aims to achieve these goals via three testable hypotheses, each of which are divided into four objectives involving the analysis and interpretation of orbital spectral, visible, thermophysical and elevation data sets of the Martian surface.
Although the emphasis is not specifically terrestrial-based, the processing, visualization, analysis and interpretation of these data sets are similar to those utilized by exploration geology, geophysics, environmental remote sensing, and even employed for the purposes of national defense. As such, Highly Qualified Personnel (HQP) involved in this research program will learn techniques that are directly applicable to these fields.
撞击坑是作用于整个太阳系固体行星表面的最普遍的地质过程,因此在行星壳的早期形成、改变和某些情况下的水蚀变中发挥了重要作用。越来越多的证据表明,撞击坑不仅在物理上改变了地球和火星的岩石表面,而且可能在早期生命的进化和通过热液活动(即,流体的热驱动循环)。撞击坑在形态上相对一致,使其成为行星表面最容易识别的特征之一。因此,它们也可分别用作目标特性的“探针”和“量规”,以及改变行星表面的地质过程。陨石坑挖掘、隆起和暴露出可能不会被其他过程暴露的地下岩石,在某些情况下,提供了深层地下唯一的基岩样本。这些特征的光谱遥感通常用于识别行星体上的这些地下岩石。然而,在这些特征中有各种与陨石坑相关的影响需要更好地理解,以便充分了解它们对岩石的影响。原始陨石坑形态和形态测量学(例如,火山口深度)可以用作理解目标材料特性以及随后改变地质过程的影响和速率的标准。此外,原始陨石坑为我们提供了一个相对未经修改的主要陨石坑沉积物的一瞥,提供了对撞击陨石坑过程本身的见解,以及具有大气和目标挥发物的行星体上的潜在古环境(例如,水)。
我的研究计划的长期目标是,1)提高我们对撞击坑形成过程作为地质过程的理解,2)通过对火星最普遍的地貌-撞击坑的遥感研究,了解火星上地壳和表面的地质历史。该方案旨在通过三个可检验的假设实现这些目标,每个假设又分为四个目标,涉及分析和解释火星表面的轨道光谱、可见光、热物理和高程数据集。
虽然重点不是具体的地面为基础的,这些数据集的处理,可视化,分析和解释是类似的勘探地质学,地球物理学,环境遥感,甚至用于国防目的所使用的。因此,参与这项研究计划的高素质人员(HQP)将学习直接适用于这些领域的技术。
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)
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Tornabene, Livio其他文献
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{{ truncateString('Tornabene, Livio', 18)}}的其他基金
An intensive study of impact craters to "probe" and "gauge" the complex geologic history of Mars and to further understand cratering as a formative process on terrestrial bodies
对撞击坑进行深入研究,以“探测”和“测量”火星复杂的地质历史,并进一步了解撞击坑作为地球物体的形成过程
- 批准号:
RGPIN-2020-06418 - 财政年份:2022
- 资助金额:
$ 2.11万 - 项目类别:
Discovery Grants Program - Individual
An intensive study of impact craters to "probe" and "gauge" the complex geologic history of Mars and to further understand cratering as a formative process on terrestrial bodies
对撞击坑进行深入研究,以“探测”和“测量”火星复杂的地质历史,并进一步了解撞击坑作为地球物体的形成过程
- 批准号:
RGPIN-2020-06418 - 财政年份:2021
- 资助金额:
$ 2.11万 - 项目类别:
Discovery Grants Program - Individual
An intensive study of impact craters to "probe" and "gauge" the complex geologic history of Mars and to further understand cratering as a formative process on terrestrial bodies
对撞击坑进行深入研究,以“探测”和“测量”火星复杂的地质历史,并进一步了解撞击坑作为地球物体的形成过程
- 批准号:
RGPIN-2020-06418 - 财政年份:2020
- 资助金额:
$ 2.11万 - 项目类别:
Discovery Grants Program - Individual
Meteorite impact craters as natural "probes" and "gauges" on planetary surfaces
陨石撞击坑是行星表面的天然“探针”和“测量仪”
- 批准号:
RGPIN-2014-04215 - 财政年份:2019
- 资助金额:
$ 2.11万 - 项目类别:
Discovery Grants Program - Individual
Meteorite impact craters as natural "probes" and "gauges" on planetary surfaces
陨石撞击坑是行星表面的天然“探针”和“测量仪”
- 批准号:
RGPIN-2014-04215 - 财政年份:2018
- 资助金额:
$ 2.11万 - 项目类别:
Discovery Grants Program - Individual
Meteorite impact craters as natural "probes" and "gauges" on planetary surfaces
陨石撞击坑是行星表面的天然“探针”和“测量仪”
- 批准号:
RGPIN-2014-04215 - 财政年份:2017
- 资助金额:
$ 2.11万 - 项目类别:
Discovery Grants Program - Individual
Meteorite impact craters as natural "probes" and "gauges" on planetary surfaces
陨石撞击坑是行星表面的天然“探针”和“测量仪”
- 批准号:
RGPIN-2014-04215 - 财政年份:2016
- 资助金额:
$ 2.11万 - 项目类别:
Discovery Grants Program - Individual
Automated lineament extraction and mapping of the Sudbury impact structure using orbital and airborne remote sensing: Implications for ore and resource exploration
使用轨道和机载遥感自动提取萨德伯里撞击结构的轮廓并绘制地图:对矿石和资源勘探的影响
- 批准号:
485542-2015 - 财政年份:2015
- 资助金额:
$ 2.11万 - 项目类别:
Engage Grants Program
Meteorite impact craters as natural "probes" and "gauges" on planetary surfaces
陨石撞击坑是行星表面的天然“探针”和“测量仪”
- 批准号:
RGPIN-2014-04215 - 财政年份:2014
- 资助金额:
$ 2.11万 - 项目类别:
Discovery Grants Program - Individual
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Meteorite impact craters as natural "probes" and "gauges" on planetary surfaces
陨石撞击坑是行星表面的天然“探针”和“测量仪”
- 批准号:
RGPIN-2014-04215 - 财政年份:2019
- 资助金额:
$ 2.11万 - 项目类别:
Discovery Grants Program - Individual
Meteorite impact craters as natural "probes" and "gauges" on planetary surfaces
陨石撞击坑是行星表面的天然“探针”和“测量仪”
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RGPIN-2014-04215 - 财政年份:2018
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$ 2.11万 - 项目类别:
Discovery Grants Program - Individual
Meteorite impact craters as natural "probes" and "gauges" on planetary surfaces
陨石撞击坑是行星表面的天然“探针”和“测量仪”
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RGPIN-2014-04215 - 财政年份:2017
- 资助金额:
$ 2.11万 - 项目类别:
Discovery Grants Program - Individual
Meteorite impact craters as natural "probes" and "gauges" on planetary surfaces
陨石撞击坑是行星表面的天然“探针”和“测量仪”
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RGPIN-2014-04215 - 财政年份:2016
- 资助金额:
$ 2.11万 - 项目类别:
Discovery Grants Program - Individual
Meteorite impact craters as natural "probes" and "gauges" on planetary surfaces
陨石撞击坑是行星表面的天然“探针”和“测量仪”
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RGPIN-2014-04215 - 财政年份:2014
- 资助金额:
$ 2.11万 - 项目类别:
Discovery Grants Program - Individual
Meteorite impact craters as natural "probes" and "gauges" on planetary surfaces
陨石撞击坑是行星表面的天然“探针”和“测量仪”
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