Reference health
An astronomically forced cooling event during the Middle Ordovician
54/54 checkable references clean · checked 2026-07-14
Every reference with a DOI in the deposited reference list resolved to a known work in Crossref or DataCite at the dated check, and none carried a publisher retraction, withdrawal, or removal notice.
20 without a DOI — not checked. A reference deposited without a DOI is never matched by title or guessed at; it stays outside the checked set, and this line discloses that.
The 54 checked references that resolve
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A proposed global boundary stratotype for the base of the Upper Series of the Ordovician System: The Fågelsång section, Scania, southern Sweden
resolves10.1016/j.palaeo.2005.05.011
The trace metal content of recent organic carbon-rich sediments: Implications for Cretaceous black shale formation
resolves10.1007/s11430-012-4448-6
Biostratigraphic correlation of the Ordovician black shales in Tarim Basin and its peripheral regions
resolves10.1016/j.earscirev.2012.12.001
The dynamic evolution of the Palaeozoic geography of eastern Asia
resolves10.1073/pnas.1714342115
Pacing of Paleozoic macroevolutionary rates by Milankovitch grand cycles
resolves10.1016/j.palaeo.2015.06.038
Sea-level curve for the Middle to early Late Ordovician in the Armorican Massif (western France): Icehouse third-order glacio-eustatic cycles
resolves10.1038/s41561-017-0006-3
Oxygenation as a driver of the Great Ordovician Biodiversification Event
resolves10.1130/0091-7613(2000)28<1135:MEACMA>2.0.CO;2
Magnetosusceptibility event and cyclostratigraphy method applied to marine rocks: Detrital input versus carbonate productivity
resolves10.1016/j.palaeo.2015.10.014
Geologic evidence for chaotic behavior of the planets and its constraints on the third-order eustatic sequences at the end of the Late Paleozoic Ice Age
resolves10.1016/j.sedgeo.2016.06.002
A record of astronomically forced climate change in a late Ordovician (Sandbian) deep marine sequence, Ordos Basin, North China
resolves10.1016/j.palaeo.2016.07.037
Astronomical cycles of Middle Permian Maokou Formation in South China and their implications for sequence stratigraphy and paleoclimate
resolves10.1016/j.gloplacha.2018.01.022
Abiotic and biotic responses to Milankovitch-forced megamonsoon and glacial cycles recorded in South China at the end of the Late Paleozoic Ice Age
resolves10.1016/j.jseaes.2018.02.001
Astronomical cycles in the Serpukhovian-Moscovian (Carboniferous) marine sequence, South China and their implications for geochronology and icehouse dynamics
resolves10.1144/0262-821X09-005
The Dawangou auxiliary GSSP (Xinjiang autonomous region, China) of the base of the Upper Ordovician Series: putting global chitinozoan biostratigraphy to the test
resolves10.1130/0091-7613(2003)031<0485:OFWTPL>2.0.CO;2
Obliquity forcing with 8–12 times preindustrial levels of atmospheric pCO2 during the Late Ordovician glaciation
resolves10.1130/B30934.1
Cyclostratigraphy and its revolutionizing applications in the earth and planetary sciences
resolves10.1016/j.earscirev.2018.02.004
Paleomagnetic constraints on the paleogeography of the East Asian blocks during Late Paleozoic and Early Mesozoic times
resolves10.1051/0004-6361:20041335
A long-term numerical solution for the insolation quantities of the Earth
resolves10.1111/j.1747-5457.2003.tb00020.x
ORGANIC PETROLOGY OF POTENTIAL SOURCE ROCKS IN THE TARIM BASIN, NW CHINA
resolves10.1126/science.aad5787
Continental arc volcanism as the principal driver of icehouse-greenhouse variability
resolves10.1029/2012PA002286
Obliquity forcing of organic matter accumulation during Oceanic Anoxic Event 2
resolves10.1038/srep18884
Onset of main Phanerozoic marine radiation sparked by emerging Mid Ordovician icehouse
resolves10.1016/j.palaeo.2005.06.027
Conjunctive use of spectral gamma-ray logs and clay mineralogy in defining late Jurassic–early Cretaceous palaeoclimate change (Dorset, U.K.)
resolves10.1016/j.palaeo.2014.11.001
Astronomically forced cyclicity in the Upper Ordovician and U–Pb ages of interlayered tephra, Oslo Region, Norway
resolves10.1126/science.1155814
Did Cooling Oceans Trigger Ordovician Biodiversification? Evidence from Conodont Thermometry
resolves10.1016/j.sedgeo.2012.01.002
High frequency eustatic sea-level changes during the Middle to early Late Ordovician of southern Jordan: Indirect evidence for a Darriwilian Ice Age in Gondwana
resolves10.1029/2008PA001720
Ground‐truthing Late Ordovician climate models using the paleobiogeography of graptolites
resolves10.1073/pnas.1003220107
Polar front shift and atmospheric CO
<sub>2</sub>
during the glacial maximum of the Early Paleozoic Icehouse
resolves10.1080/03115518.2013.805491
On the integration of Ordovician conodont and graptolite biostratigraphy: new examples from Gansu and Inner Mongolia in China
resolves10.1007/s11430-013-4777-0
Conodont diversification during the Ordovician: A perspective from North China and Tarim (Northwestern China)
resolves10.1130/G30152A.1
A major drop in seawater 87Sr/86Sr during the Middle Ordovician (Darriwilian): Links to volcanism and climate?
resolves10.1016/j.palaeo.2015.09.001
Ordovician stable carbon isotope stratigraphy in the Tarim Basin, NW China
resolves10.3853/j.0067-1975.63.2011.1586
Middle to Late Ordovician (Darriwilian-Sandbian) conodonts from the Dawangou section, Kalpin area of the Tarim Basin, northwestern China
resolves10.1016/j.palaeo.2018.05.030
Astronomical calibration of the Middle Ordovician of the Yangtze Block, South China
The 20 references without a DOI — listed, not checked
no DOI — not checkedRelations between Darriwilian and Sandbian conodont and graptolite biozones
no DOI — not checkedOrdovician paleogeography and tectonics of the major paleoplates of China
no DOI — not checkedBiostratigraphy
no DOI — not checkedThe Ordovician period
no DOI — not checked10.1016/j.gloplacha.2018.12.010_bb9000
no DOI — not checkedA graphic correlation and diversity analysis of the Upper Darriwilian to Lower Katian Graptolites
no DOI — not checkedRelationship between high-frequency sea-level changes and organic matter of Middle–Upper Ordovician marine source rocks from the Dawangou section in the Keping area, Xinjiang
no DOI — not checkedOrdovician explosive volcanism
no DOI — not checked10.1016/j.gloplacha.2018.12.010_bb0165
no DOI — not checkedRock Magnetic Cyclostratigraphy. Wiley-Blackwell Fast-Track Monograph
no DOI — not checkedEvolution of depositional architecture of the Ordovician carbonate platform in the Tarim Basin and its respose to basin process
no DOI — not checked10.1016/j.gloplacha.2018.12.010_bb0220
no DOI — not checked10.1016/j.gloplacha.2018.12.010_bb0235
no DOI — not checkedOrdovician Sea level changes: a Baltoscandian perspective
no DOI — not checked10.1016/j.gloplacha.2018.12.010_bb0250
no DOI — not checked10.1016/j.gloplacha.2018.12.010_bb0265
no DOI — not checkedGeochemistry of Salgan Black Shales of Middle-Upper Ordovician in Keping Outgroup, Tarim Basim
no DOI — not checkedIntegrated conodont biostratigraphy and carbon isotope chemostratigraphy in the Lower–Middle Ordovician of southern Sweden reveals a complete record of the MDICE
no DOI — not checked10.1016/j.gloplacha.2018.12.010_bb0365
no DOI — not checkedOrdovician of Tarim
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