Blancan

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Blancan North American Stage pada skalaw aktu geologi adalah zaman sekitar 4.750.000 sampai 1.808.000 juta BP[1].

Blancan dianggap sebagai dimulainya awal-pertengahan Pliosen dan akhir dari awal Pleistosen[2]. Blancan dilanjutkan oleh Hemphillian.

Tanggal dimulainya Blancan masih belum sepenuhnya didirikan. Terdapat persetujuan umum bahwa tanggalnya sekitar 4.9[3] dan 4.3 juta tahun yang lalu[4].

Catatan kaki[sunting | sunting sumber]

  1. ^ GeoWhen Database - Blancan. Version 1.1.0. Retrieved 2007-NOV-09.
  2. ^ Kesalahan pengutipan: Tag <ref> tidak sah; tidak ditemukan teks untuk ref bernama lundeliusetal1987
  3. ^ Lindsay et al. (2002)
  4. ^ Cassiliano (1999)

Referensi[sunting | sunting sumber]

  • Cassiliano, Michael L. (1999): Biostratigraphy of Blancan and Irvingtonian mammals in the Fish Creek–Vallecito Creek section, southern California, and a review of the Blancan-Irvingtonian boundary. J. Vertebr. Paleontol. 19(1): 169–186.
  • Feduccia, J. Alan (1970): Some birds of prey from the Upper Pliocene of Kansas. Auk 87(4): 795-797. PDF fulltext
  • Lindsay, Everett et al. (2002): Recognition of the Hemphillian/Blancan boundary in Nevada. J. Vertebr. Paleontol. 22(2): 429–442. DOI:10.1671/0272-4634(2002)022[0429:ROTHBB]2.0.CO;2 HTML abstract
  • Lourens, L. et al. (2004): The Neogene Period. In: Gradstein, F.; Ogg, J. & Smith, A.G. (eds.): A Geologic Time Scale 2004. Cambridge University Press. ISBN 0-521-78142-6
  • Lundelius, E.L. Jr. et al. (1987): The North American Quaternary Sequence. In: Woodburne, Michael O. (ed.): Cenozoic mammals of North America: geochronology and biostratigraphy: 211–235. University of California Press, Berkeley. ISBN 0-520-05392-3
  • Morgan, Gary S. & Lucas, Spencer G. (2003): Mammalian Biochronology of Blancan and Irvingtonian (Pliocene and Early Pleistocene) Faunas from New Mexico. Bulletin of the American Museum of Natural History 279: 269–320. PDF fulltext
  • Tedford, Richard H. (1981): Mammalian biochronology of the late Cenozoic basins of New Mexico. Geological Society of America Bulletin 92(12): 1008–1022. DOI:10.1130/0016-7606(1981)92<1008:MBOTLC>2.0.CO;2 HTML abstract
  • Wetmore, Alexander (1937): The Eared Grebe and other Birds from the Pliocene of Kansas. Condor 39(1): 40. PDF fulltext DjVu fulltext
  • Woodburne, Michael O. & Swisher, C.C. III (1995): Land mammal high-resolution geochronology, intercontinental overland dispersals, sea level, climate, and vicariance. Society for Economic Paleontology and Mineralogy Special Publications 54: 335–364. ISBN 1-56576-024-7