Geology of a region connecting the lower and higher levels of the Vastitas Borealis Formation boundary: Assessment of the Hesperian hydrologic activity and long-wavelength topographic changes on Mars

连接 Vastitas Borealis 地层边界较低层和较高层的区域的地质:评估火星上的西斯皮利亚水文活动和长波长地形变化

基本信息

项目摘要

The primary goal of our study is to investigate in detail the western discontinuity of the Vastitas Borealis Formation (VBF) contact between its Deuteronilus and Nilosyrtis segments, a region between Utopia Planitia and Acidalia Planitia that connects the two distinct levels of the outer edge of the Vastitas Borealis Formation (VBF) within the northern plains. Results of this research are crucially important for the assessment of the topographic configuration and mode of emplacement of the VBF. The VBF covers vast parts of the northern lowlands and has been continuously interpreted to be a depositional residue of a past northern ocean. The morphologic setting and topographic configuration of the VBF edges are of particular interest as they share similarities with terrestrial coastal contacts. The results of this study could help to increase our knowledge about the extent, timing and duration of the postulated northern ocean on Mars. Our study is aimed to address the following scientific questions closely related to various aspects of the Martian ocean hypothesis: Does the topographic and morphologic setting in this region provide evidence that the VBF consists of a series of sequential units suggesting multiple episodes of its emplacement? Is its elevation changed continuously between the lower and the higher levels? Or, does it show a regional-scale break of slope somewhere within the gap? Is there evidence suggesting that the higher and lower segments of the contact are disconnected and represent independent features? Are they consistent with the interpretation of the VBF as a sublimation residue of a former ocean or of multiple sea-scale standing bodies of water?How do the results of crater counts in selected areas along the VBF boundary constrain the time interval of the VBF emplacement?
我们研究的主要目标是详细调查其 Deuteronilus 段和 Nilosyrtis 段之间的北欧地层 (VBF) 西部不连续性,该区域位于乌托邦平原和 Acidalia 平原之间,连接北部平原内北欧地层 (VBF) 外缘的两个不同层面。这项研究结果对于评估VBF的地形配置和布设方式至关重要。 VBF 覆盖了北部低地的大部分地区,并一直被解释为过去北部海洋的沉积残留物。 VBF 边缘的形态设置和地形配置特别令人感兴趣,因为它们与陆地沿海接触面具有相似之处。这项研究的结果可能有助于增加我们对假定的火星北部海洋的范围、时间和持续时间的了解。我们的研究旨在解决以下与火星海洋假说各个方面密切相关的科学问题:该地区的地形和形态环境是否提供证据表明VBF由一系列连续的单元组成,表明其侵位的多个阶段?它的标高是否在较低层和较高层之间不断变化?或者,它是否显示了间隙内某处的区域性坡度断裂?是否有证据表明接触的较高部分和较低部分是断开的并代表独立的特征?它们是否与将VBF解释为前海洋或多个海尺度静止水体的升华残留物的解释一致?沿着VBF边界的选定区域的陨石坑计数结果如何限制VBF就位的时间间隔?

项目成果

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Professor Dr. Harald Hiesinger其他文献

Professor Dr. Harald Hiesinger的其他文献

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{{ truncateString('Professor Dr. Harald Hiesinger', 18)}}的其他基金

Acidalia Mena, Mars: A key region to test the ocean hypothesis
Acidalia Mena,火星:检验海洋假说的关键区域
  • 批准号:
    413241974
  • 财政年份:
    2018
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    --
  • 项目类别:
    Research Grants
The Apollo basin on the Moon: Assessment of its stratigraphic position, absolute model age, and relationships with the Moon's farside volcanic activity
月球上的阿波罗盆地:评估其地层位置、绝对模型年龄以及与月球背面火山活动的关系
  • 批准号:
    382944008
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    2017
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    --
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    Research Grants
Thumbprint terrain in the northern lowlands of Mars: Assessment of its modes of formation and relations to the Mars ocean
火星北部低地的指纹地形:评估其形成模式及其与火星海洋的关系
  • 批准号:
    325037083
  • 财政年份:
    2016
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    --
  • 项目类别:
    Research Grants
Geological characteristics and topographic configuration of the edge of the Vastitas Borealis Formation: Implications for a Hesperian ocean on Mars
Vastitas Borealis 地层边缘的地质特征和地形构造:对火星上西斯皮利亚海洋的影响
  • 批准号:
    266390415
  • 财政年份:
    2014
  • 资助金额:
    --
  • 项目类别:
    Research Grants
Evidence for mud volcanism in Acidalia Planitia: Implications for a Hesperian ocean on Mars
阿西达利亚平原泥火山活动的证据:对火星上西斯皮利亚海洋的影响
  • 批准号:
    248101309
  • 财政年份:
    2013
  • 资助金额:
    --
  • 项目类别:
    Research Grants
Alter, Mineralogie und Volumen lunarer Basalte im Mare Crisium und auf der Mondrückseite
危机海和月球背面的月球玄武岩的年龄、矿物学和体积
  • 批准号:
    193542866
  • 财政年份:
    2011
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    --
  • 项目类别:
    Research Grants

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