Stratigraphic unit (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Stratigraphic unit" in English language version.

refsWebsite

Global rank English rank

3books.google.com

3^rd place

3^rd place

2stratigraphy.org

2,562^nd place

3,215^th place

167^th place

198^th place

books.google.com

Mathur S.M. (2008). Elements of Geology. pp. 129–130. ISBN 978-8120335158.
Brookfield M.E. (2008). Principles of Stratigraphy. John Wiley & Sons. p. 200. ISBN 978-0470693223.
Thierry J.; Galeotti S. (2008). "Biostratigraphy from taxon to biozones and biozonal schemes". In Rey J.; Galeotti S. (eds.). Stratigraphy: Terminology and Practice. Editions OPHRYS. pp. 64–73. ISBN 9782710809104.

stratigraphy.org

"Chapter 5. Lithostratigraphic Units". International Commission on Stratigraphy. 2013–2014. Retrieved 4 June 2014.
"Chapter 7. Biostratigraphic Units". International Commission on Stratigraphy. 2013–2014. Retrieved 4 June 2014.

usgs.gov

ngmdb.usgs.gov

2004 North American Commission on Stratigraphic Nomenclature (2005). "North American Stratigraphic Code" (PDF). American Association of Petroleum Geologists Bulletin. 89 (11): 1567–1570. Retrieved June 13, 2020. The wedge-out of a component formation or formations may justify the reduction of a group to formation rank, retaining the same name.{{cite journal}}: CS1 maint: numeric names: authors list (link)