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Early Devonian
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General diagenetic patternsin Miocene Muddy Creek Formation and upper Devonian OldRed Sandstone (ORS) can be characterized as follows:i) early diagenesis characterized by the formation of early hematite, carbonate, and clay cement; ii) burial diagenesis followed by the formation of quartz and feldspar overgrowths, poikilotopic calcite andpore-filling-clays;iii)late diagenesis characterized by the formation of late hematite replacing previous poikilotopic carbonate cement.
12p
vimulcahy
02-10-2023
3
2
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The Middle/Late Devonian boundary is investigated based on twenty-four conodont species and subspecies from the Anarak and Sar-Ashk sections in the northwest and southeast of Central East Iran Microplate. The earliest Frasnian strata are defined by the first appearance of Ancyrodella rotundiloba pristina and can be correlated with the global stratotype in the Montagne Noir, South of France.
14p
tanmocphong
29-01-2022
30
1
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The paper deals with the Middle Palaeozoic oceanic events on the northern margin of the Eastern Mediterranean Hercynides. The Balkan-Carpathian Ophiolite Belt (BCO) and palaeo-oceanic zones of the Great Caucasus, all framing the East European Platform from the south, are correlated.
34p
vidonut2711
09-11-2019
12
2
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Recently found materials of large beyrichiacean ostracodes from the Early Devonian of the Darlık, Korucuköy, and Kabalakdere sections in NW Anatolia stimulated the restudy of ostracode collections from the İstanbul area, including the Toula collection (GBA Vienna) and Endriss collection (previously in GPI Marburg and currently in SMF Frankfurt), and their biostratigraphical and palaeogeographical significance.
26p
viminotaur2711
30-10-2019
12
1
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