Tubiphytes-archaeolithoporella-girvanella reefal facies in Permian buildup, Mino terrane, central Japan

Hiroyoshi Sano, Kenji Horibo, Yasuko Kumamoto

Research output: Contribution to journalArticle

20 Citations (Scopus)

Abstract

The Lower to Middle Permian Okumino buildup of the Mino terrane, central Japan, formed a carbonate cap on a seamount which was sitting in an open-ocean realm. Microscopic examination reveals considerable amounts of Tubiphytes, Archaeolithoporella, and Girvanella in these rocks. These low laminar encrusting organisms together with cystopore bryozoa and syndepositional radial-fibrous cements formed bindstones. The bindstones are interpreted as having formed wave-resistant algal reefal mounds on the marginal terrace of the Okumino buildup which also has the lagoonal flat, sand bar or shoal, and foreslope facies. The Okumino buildup is closer in its biotic association of major encrusting organisms to the Trogkofel buildup in southern Alps than to the Capitan Reef Complex in New Mexico and Texas. The similarity implies that Tubiphytes and Archaeolithoporella were the most predominant and significant rock-forming encrusting organisms in Early to early Middle Permian times.

Original languageEnglish
Pages (from-to)293-306
Number of pages14
JournalSedimentary Geology
Volume68
Issue number4
DOIs
Publication statusPublished - 1990

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encrusting organism
terrane
Permian
seamount
open ocean
rock
terrace
cement
reef
carbonate

All Science Journal Classification (ASJC) codes

  • Geology
  • Stratigraphy

Cite this

Tubiphytes-archaeolithoporella-girvanella reefal facies in Permian buildup, Mino terrane, central Japan. / Sano, Hiroyoshi; Horibo, Kenji; Kumamoto, Yasuko.

In: Sedimentary Geology, Vol. 68, No. 4, 1990, p. 293-306.

Research output: Contribution to journalArticle

Sano, Hiroyoshi ; Horibo, Kenji ; Kumamoto, Yasuko. / Tubiphytes-archaeolithoporella-girvanella reefal facies in Permian buildup, Mino terrane, central Japan. In: Sedimentary Geology. 1990 ; Vol. 68, No. 4. pp. 293-306.
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