2014
DOI: 10.12789/geocanj.2014.41.050
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Memories of Pre-Jurassic Lost Oceans: How To Retrieve Them From Extant Lands

Abstract: The information reflected in mid-oceanic sedimentary deposits provides critical constraints for reconstructing past global environmental changes.  Available data from extant oceans, however, are limited to the Early Jurassic and younger ages, because older oceanic plates have been subducted.  This article explains methods for obtaining information on pre-Jurassic mid-oceanic conditions by conducting fieldwork on older orogenic belts exposed on land.  The key point is the identification of ancient accretionary … Show more

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Cited by 25 publications
(12 citation statements)
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“…Where should we look to find its sedimentary record, including the molecular and body fossils that record should contain? We are unaware of a Cryogenian abyssal sediment record, but this may be more through lack of recognition than lack of preservation ( 389 ). Decametric accumulations of fine-grained detrital sediment do occur in many Cryogenian synglacial sequences deposited on paleocontinental margins ( Fig.…”
Section: Subglacial Ocean Dynamics and The Fate Of Flushed Cryoconitementioning
confidence: 99%
“…Where should we look to find its sedimentary record, including the molecular and body fossils that record should contain? We are unaware of a Cryogenian abyssal sediment record, but this may be more through lack of recognition than lack of preservation ( 389 ). Decametric accumulations of fine-grained detrital sediment do occur in many Cryogenian synglacial sequences deposited on paleocontinental margins ( Fig.…”
Section: Subglacial Ocean Dynamics and The Fate Of Flushed Cryoconitementioning
confidence: 99%
“…This point was within an evolutionary lineage from Clarkina postbitteri hongshuiensis to C. dukouensis (Jin et al, , ; Figure ). A detailed lithostratigraphy and biostratigraphy are available for the shallow‐water limestone in the Upper Middle to Lower Upper Permian at Kamura in southwest Japan (Isozaki, ; Kasuya et al, ; Ota & Isozaki, ). It represents the accumulation of a carbonate cap on an ancient seamount developed on a basaltic basement in a mid‐oceanic environment, with no sedimentary hiatus (Figure ).…”
Section: Discussionmentioning
confidence: 99%
“…The co‐occurrence of the Codonofusiella kueichowensis Zone with the conodont Clarkina postbitteri postbitteri in the Laibin area implies that the lowest occurrence of Condonofusiella and the Reichelina is at or just above the Guadalupian‐Lopingian (G‐L) boundary (Jin et al, , ). The G‐L boundary is best designated by the FAD of the Lopingian Codonofusiella–Reichelina assemblage in the Kamura section (Isozaki, ; Kasuya et al, ; Kirschvink et al, ; Ota & Isozaki, ; Figure ).…”
Section: Discussionmentioning
confidence: 99%
See 1 more Smart Citation
“…, Hays et al, 1976; Fig. 1 cyclostratigraphy , Fischer et al, 1988;Hinnov, 2013 Astrochronology , Hays et al, 1976;Hinnov and Hilgen, 2012 , Hilgen, 2012 --, Hays et al, 1976;Zachos et al, 2001 , Hinnov andOgg, 2007;Hinnov, 2013Hinnov and Hilgen, 2012総 説 1970Yao et al, 1980Matsuda and Isozaki, 1991;Isozaki, 2014 Matsuda andIsozaki, 1991 /1000 1 Matsuda and Isozaki, 1991;Isozaki, 2014, Isozaki, 2014Fischer, 1976Hori et al, 1993, , Hori et al, 1993, 1 Hori et al, 1993 1-2 1-2 Hori et al, 1993Hinnov, 2013Ikeda and Hori, 2014Ikeda et al, 2017 Latemar Hinnov and Goldhammer, 1991 U-Pb Fig. . Earth s orbital parameters, summer insolation at 65° north, and oxygen isotope records of benthic foraminifera (LR04; Lisiecki and Raymo, 2005).…”
mentioning
confidence: 99%