维基百科

粉砂岩

粉砂岩（英语：Siltstone）又称aleurolite[1]，是一种碎屑沉积岩，主要由粉砂组成。与页岩不同在于缺乏片状裂理。 粉砂岩渗透率和孔隙率相对较低，但可形成天然气致密储层岩石 [2][3]。 开采需要水力压裂[4]。粉砂岩在古埃及用于制造雕像和化妆品调色板。 在 Wadi Hammamat 开采的粉砂岩最有名。是一种坚硬、细粒的粉砂岩，抗剥落[5]。

粉砂岩
沉积岩
粉砂岩

描述 编辑

Holtzclaw 粉砂岩, 地点：Louisville, Kentucky

粉砂被定义为直径为 2–62 μm 的颗粒，或在 Krumbein phi (φ) 尺度上为 4 至 8 的颗粒[6]。 粉砂岩是任何含有 50% 或更多粉砂大小颗粒的沉积岩[7]。 粉砂岩与砂岩不同，因为它们的孔隙更小，并且含粘土量大。虽然经常被误认为是页岩，但粉砂岩缺乏页岩典型的片状裂理。 粉砂岩可能含有结核 [8][9]. 且其风化面与层理无关。

来源 编辑

粉砂岩是一种不寻常的岩石，其中大部分粉砂颗粒由石英制成[10]。 石英粉砂的起源一直是很多研究和争论的话题[11][12]。一些石英粉砂可能起源于细粒叶页状变质岩，而许多海相粉砂可能是生物成因[13][14]. 但大多数石英沉积物来自石英的花岗岩[15]. 花岗岩颗粒很大需要高能量地质作用粉碎这些颗粒[16]。 例如冰川磨蚀[17][18]. 在寒冷、构造活跃的山脉中风化；正常风化，特别是在热带地区[19][20]. 以及在炎热的沙漠环境中由盐形成[21]. 粉砂岩形成于相对安静的沉积环境中，细颗粒可以从传输介质（空气或水）中沉淀出来并在地表堆积[22]。 在浊积岩序列[23]， [[三角洲<]]ref name=”Line”>Lineback, Jerry Alvin. "Deep-water sediments adjacent to the Borden Siltstone (Mississippian) delta in southern Illinois." Circular no. 401 (1966) </ref>，冰川沉积物[24] 和微地槽环境中都存在[25]。

参考文献 编辑

  1. ^ Gyöngyi Farkas Characterization of subterranean bacteria in the Hungarian Upper Permian Siltstone (Aleurolite) Formation Canadian Journal of Microbiology 46(6):559-64
  2. ^ Clarkson, Christopher R.; Jensen, Jerry L.; Pedersen, Per Kent; Freeman, Melissa (February 2012). "Innovative methods for flow-unit and pore-structure analyses in a tight siltstone and shale gas reservoir". AAPG Bulletin. 96 (2): 355–374.
  3. ^ Cao, Zhe; Liu, Guangdi; Zhan, Hongbin; Gao, Jin; Zhang, Jingya; Li, Chaozheng; Xiang, Baoli (May 2017). "Geological roles of the siltstones in tight oil play". Marine and Petroleum Geology. 83: 333–344. doi:10.1016/j.marpetgeo.2017.02.020.
  4. ^ Ben E. Law and Charles W. Spencer, 1993, "Gas in tight reservoirs-an emerging major source of energy," in David G. Howell (ed.), The Future of Energy Gasses, US Geological Survey, Professional Paper 1570, p.233-252
  5. ^ Shaw, Ian (2004). Ancient Egypt : a very short introduction. Oxford: Oxford University Press. pp. 44–45. ISBN 0192854194. Retrieved 2 October 2020
  6. ^ Folk, R.L. (1980). Petrology of sedimentary rocks (2nd ed.). Austin: Hemphill's Bookstore. p. 145. ISBN 0-914696-14-9. Archived from the original on 2006-02-14. Retrieved 2 October 2020.
  7. ^ Picard, M. Dane (1971). "Classification of Fine-grained Sedimentary Rocks". SEPM Journal of Sedimentary Research. 41. doi:10.1306/74D7221B-2B21-11D7-8648000102C1865D.
  8. ^ Melezhik, Victor A.; Fallick, Anthony E.; Smith, Richard A.; Rosse, Danta M. (December 2007). "Spherical and columnar, septarian, 18 O-depleted, calcite concretions from Middle–Upper Permian lacustrine siltstones in northern Mozambique: evidence for very early diagenesis and multiple fluids". Sedimentology. 54 (6): 1389–1416. doi:10.1111/j.1365-3091.2007.00886.x.
  9. ^ Middleton, Heather A.; Nelson, Campbell S. (May 1996). "Origin and timing of siderite and calcite concretions in late Palaeogene non- to marginal-marine facies of the Te Kuiti Group, New Zealand". Sedimentary Geology. 103 (1–2): 93–115. doi:10.1016/0037-0738(95)00092-5
  10. ^ Nahon, D.; Trompette, R. (February 1982). "Origin of siltstones: glacial grinding versus weathering". Sedimentology. 29 (1): 25–35. doi:10.1111/j.1365-3091.1982.tb01706.x.
  11. ^ Nemecz, Ernö; Pécsi, Márton; Hartyáni, Zsuzsa; Horváth, Timea (June 2000). "The origin of the silt size quartz grains and minerals in loess". Quaternary International. 68–71: 199–208. doi:10.1016/S1040-6182(00)00044-6
  12. ^ Smalley, Ian (January 1990). "Possible formation mechanisms for the modal coarse-silt quartz particles in loess deposits". Quaternary International. 7–8: 23–27. doi:10.1016/1040-6182(90)90035-3.
  13. ^ Leeder, M. R. (2011). Sedimentology and sedimentary basins : from turbulence to tectonics (2nd ed.). Chichester, West Sussex, UK: Wiley-Blackwell. ISBN 9781405177832
  14. ^ Schieber, Jürgen; Krinsley, Dave; Riciputi, Lee (August 2000). "Diagenetic origin of quartz silt in mudstones and implications for silica cycling". Nature. 406 (6799): 981–985. doi:10.1038/35023143. PMID 10984049. S2CID 4417951
  15. ^ Potter, Paul Edwin; Maynard, James; Pryor, Wayne A. (1980). Sedimentology of shale : study guide and reference source. New York: Springer-Verlag. ISBN 0387904301
  16. ^ Assallay, A (November 1998). "Silt: 2–62 μm, 9–4φ". Earth-Science Reviews. 45 (1–2): 61–88. doi:10.1016/S0012-8252(98)00035-X.
  17. ^ Kuenen, P. H. (1 December 1969). "Origin of quartz silt". Journal of Sedimentary Research. 39 (4): 1631–1633. doi:10.1306/74D71ED3-2B21-11D7-8648000102C1865D
  18. ^ Riezebos, P.A.; Van der Waals, L. (December 1974). "Silt-sized quartz particles: a proposed source". Sedimentary Geology. 12 (4): 279–285. doi:10.1016/0037-0738(74)90022-0
  19. ^ Iriondo, Martı́n (December 1999). "The origin of silt particles in the loess question". Quaternary International. 62 (1): 3–9. doi:10.1016/S1040-6182(99)00018-X.
  20. ^ Pye, Kenneth (April 1983). "Formation of quartz silt during humid tropical weathering of dune sands". Sedimentary Geology. 34 (4): 267–282. doi:10.1016/0037-0738(83)90050-7
  21. ^ Goudie, A.S.; Cooke, R.U.; Doornkamp, J.C. (June 1979). "The formation of silt from quartz dune sand by salt-weathering processes in deserts". Journal of Arid Environments. 2 (2): 105–112. doi:10.1016/S0140-1963(18)31786-5
  22. ^ Lillie, Robert J. (2005). Parks and plates : the geology of our national parks, monuments, and seashores (1st ed.). New York: W.W. Norton. ISBN 0393924076.
  23. ^ Jaworowski, K. (2013). Facies analysis of the Silurian shale-siltstone succession in Pomerania (northern Poland). Geological Quarterly, 44(3), 297-315. Retrieved from https://gq.pgi.gov.pl/article/view/8078 （页面存档备份，存于互联网档案馆）
  24. ^ Thomas, S. G.; Fielding, C. R.; Frank, T. D. (December 2007). "Lithostratigraphy of the late Early Permian (Kungurian) Wandrawandian Siltstone, New South Wales: record of glaciation?". Australian Journal of Earth Sciences. 54 (8): 1057–1071. doi:10.1080/08120090701615717. S2CID 46570542.
  25. ^ Ethridge, F.G. (1977). "Petrology, Transport, and Environment in Isochronous Upper Devonian Sandstone and Siltstone Units, New York". SEPM Journal of Sedimentary Research. 47. doi:10.1306/212F70EF-2B24-11D7-8648000102C1865D
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