代 (地质学) (Chinese Wikipedia)

Analysis of information sources in references of the Wikipedia article "代 (地质学)" in Chinese language version.

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doi.org

harvard.edu

ui.adsabs.harvard.edu

pccu.edu.tw

ap6.pccu.edu.tw

  • 上石炭紀地質在歐美及中國均以盛產煤炭著名,因此便以石炭紀為此時代地層的名稱,但在美國則以密士西必紀作為下石炭紀,另以賓夕法尼亞紀稱上部石炭紀。[1]

stratigraphy.org

  • 所有全球年代地层单位均由其底界的全球界线层型剖面和点位(GSSP)界定,包括长期由全球标准地层年龄(GSSA)界定的太古宇和元古宇各单位。斜体代表非正式名称或尚未命名单位的临时名称。图件及已批准GSSP的详情参见国际地层委员会官网。GSSP被标记为*,而GSSA被标记为+
    年龄值仍在不断修订;显生宇和埃迪卡拉系的单位不能由年龄界定,而只能由GSSP界定。显生宇中没有确定GSSP或精确年龄值的单位,则标注了近似年龄值(~)。
  • Historically, the 新生代 has been divided up into the 第四紀 and 第三紀 sub-eras, as well as the 新近纪 and 古近纪 periods. The 2009 version of the ICS time chart recognizes a slightly extended Quaternary as well as the Paleogene and a truncated Neogene, the Tertiary having been demoted to informal status.

ucsb.edu

flatpebble.nceas.ucsb.edu

  • Paleontologists often refer to faunal stage英语faunal stages rather than geologic (geological) periods. The stage nomenclature is quite complex. For an excellent time-ordered list of faunal stages, see The Paleobiology Database. [2006-03-19]. 

wikipedia.org

en.wikipedia.org

wisc.edu

geology.wisc.edu