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澳大利亚西南部风成砂屑灰岩的分布、形态和时代特征

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文章导航 > 海洋地质前沿 > 2018 > 34(2): 10-15

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张威威, 许红, 杨少春, 史同强, 纳琴, 陶萌, 季兆鹏. 澳大利亚西南部风成砂屑灰岩的分布、形态和时代特征[J]. 海洋地质前沿, 2018, 34(2): 10-15. doi: 10.16028/j.1009-2722.2018.02002
引用本文: 张威威, 许红, 杨少春, 史同强, 纳琴, 陶萌, 季兆鹏. 澳大利亚西南部风成砂屑灰岩的分布、形态和时代特征[J]. 海洋地质前沿, 2018, 34(2): 10-15. doi: 10.16028/j.1009-2722.2018.02002
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ZHANG Weiwei, XU Hong, YANG Shaochun, SHI Tongqiang, NA Qin, TAO Meng, JI Zhaopeng. DISTRIBUTION, MORPHOLOGY AND CHRONOLOGY OF THE AEOLIAN CALCARENITES IN SOUTHWESTERN AUSTRALIA[J]. Marine Geology Frontiers, 2018, 34(2): 10-15. doi: 10.16028/j.1009-2722.2018.02002
Citation: ZHANG Weiwei, XU Hong, YANG Shaochun, SHI Tongqiang, NA Qin, TAO Meng, JI Zhaopeng. DISTRIBUTION, MORPHOLOGY AND CHRONOLOGY OF THE AEOLIAN CALCARENITES IN SOUTHWESTERN AUSTRALIA[J]. Marine Geology Frontiers, 2018, 34(2): 10-15. doi: 10.16028/j.1009-2722.2018.02002
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澳大利亚西南部风成砂屑灰岩的分布、形态和时代特征

  • 1.

    中国石油大学(华东)，青岛 266580

  • 2.

    中国地质调查局青岛海洋地质研究所，青岛 266071

  • 3.

    国土资源部海洋油气资源与环境地质重点实验室，青岛 266071

  • 4.

    海洋国家实验室海洋矿产资源评价与探测技术功能实验室，青岛 266071

  • 5.

    山东科技大学，青岛 266590

  • 基金项目:
    国家科技基础资源调查专项(2017FY201407)；国家重点基础研究发展计划(973计划)(2012CB956004)；国家自然科学基金(41106064)
详细信息
    作者简介: 张威威(1991—)，男，在读硕士，主要从事海洋油气地质与勘探方面的工作.E-mail：525664866@qq.com
    通讯作者: 许红(1957—)，男，博士，研究员，主要从事海域油气成藏与资源勘探评价方面的研究工作.E-mail：qdxhong@163.com

  • 中图分类号: P588.24

DISTRIBUTION, MORPHOLOGY AND CHRONOLOGY OF THE AEOLIAN CALCARENITES IN SOUTHWESTERN AUSTRALIA

  • 1.

    China University of Petroleum (East China), Qingdao 266555, China

  • 2.

    Qingdao Institute of Marine Geology, CGS, Qingdao, 266071, China

  • 3.

    Key Laboratory of Marine Hydrocarbon Resources and Environment Geology, Qingdao Institute of Marine Geology, Ministry of Land and Resources, Qingdao 266071, China

  • 4.

    Laboratory for Marine Mineral Resources, Qingdao National Laboratory for Marine Science and Technology, Qingdao, 266071, China

  • 5.

    Shandong University of Science and Technology, Qingdao 266590, China

More Information

    摘要

  • 在澳大利亚西南沿海，特别是在南邦(Nambung)国家公园，成千上万个高达5 m、宽2 m、相距0.5 m的锥形风成砂屑灰岩组成壮观的喀斯特地貌，为形成于更新世含钙质/微生物的古土壤沉积物。锥形风成砂屑灰岩的形态多种多样，可以随岩性不同而变化，构成锥形风成沉积岩和圆柱形微生物岩。在南邦，锥形风成砂屑灰岩大量溶解，最后形成大量石英碎屑，石英碎屑经再沉积掩埋再形成这些锥状风成砂屑灰岩，属于风成岩溶作用，发生在70 ka前；340~380 ka间风成砂屑灰岩发育要弱。

    A spectacular landform of pinnacle karst occurs in the southwestern coast of Western Australia. It consists of thousands of pinnacles up to 5 m high, and 2 m wide and only 0.5-5 m apart, particularly well exposed in the Nambung National Park. The pinnacles are formed in the Pleistocene Tamala Limestone, which comprises of cyclic sequences of aeolian calcarenite, calcrete, microbialite and palaeosol. The morphology of the pinnacles varies with the lithology in which they are formed, for examples, typically conical in aeolianite and cylindrical in microbialite. However, the Nambung pinnacles is mainly influenced by joints and fractures. The extensive dissolution associated with pinnacle formation at Nambung resulted in a large amount of insoluble quartz residues, which are redeposited and even bury the pinnacles sometimes. This period of karstification occurred at around 70, 000 years before present, and there was an earlier but weaker stage of pinnacle development during the period 34-38 million years ago.

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  • 图 1  澳大利亚西南部风成砂屑灰岩峰林分布位置

    Figure 1. 

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    图 2  南邦国家公园的峰林沙漠

    Figure 2. 

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    图 3  挖掘之前的地面(A)与挖掘之后暴露的风成砂屑灰岩峰林(B)

    Figure 3. 

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    图 4  复杂形态石峰

    Figure 4. 

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    图 5  风成砂屑灰岩石峰的交错层理(A)，再沉积形成的石峰(B)

    Figure 5. 

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    图 6  研究区及周边地区塔玛拉风成砂屑灰岩完整地层剖面

    Figure 6. 

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    图 7  洞穴墙壁上的小尖峰

    Figure 7. 

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    • 参考文献(13)
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收稿日期:  2017-06-30
刊出日期:  2018-02-28

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