Reference health
Pyrite framboid evidence for oxygen-poor deposition during the Permian–Triassic crisis in Kashmir
15/15 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.
7 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 15 checked references that resolve
resolves10.1016/S0031-0182(03)00476-0
Palaeoenvironments of the Permian–Triassic transition sections in Kashmir, India
resolves10.1126/science.11540246
The Production of
<sup>34</sup>
S-Depleted Sulfide During Bacterial Disproportionation of Elemental Sulfur
resolves10.1126/science.276.5310.235
Permo-Triassic Boundary Superanoxia and Stratified Superocean: Records from Lost Deep Sea
resolves10.1016/S0031-0182(02)00670-3
A unique Permian–Triassic boundary section from the Neotethyan Hawasina Basin, Central Oman Mountains
resolves10.1669/0883-1351(2003)18<138:PBSFSC>2.0.CO;2
Permian-Triassic Boundary Sections from Shallow-Marine Carbonate Platforms of the Nanpanjiang Basin, South China: Implications for Oceanic Conditions Associated with the End-Permian Extinction and Its Aftermath
resolves10.2113/geoarabia0802299
Reconstruction of the original organic richness in weathered Silurian shale outcrops (Murzuq and Kufra basins, southern Libya)
resolves10.1016/0031-0182(92)90182-5
Anoxia as a cause of the Permian/Triassic mass extinction: facies evidence from northern Italy and the western United States
resolves10.1016/0031-0182(93)90068-T
Griesbachian (Earliest Triassic) palaeoenvironmental changes in the Salt Range, Pakistan and southeast China and their bearing on the Permo-Triassic mass extinction
resolves10.2475/ajs.298.7.537
Pyrite framboid diameter as a measure of oxygen deficiency in ancient mudrocks
resolves10.1669/0883-1351(2003)18<153:CDRFTU>2.0.CO;2
Contrasting Deep-water Records from the Upper Permian and Lower Triassic of South Tibet and British Columbia: Evidence for a Diachronous Mass Extinction
resolves10.1080/08912969609386553
On the timing of palaeoenvironmental changes at the Permo‐Triassic (P/TR) boundary using conodont biostratigraphy
resolves10.1016/0016-7037(96)00209-8
The size distribution of framboidal pyrite in modern sediments: An indicator of redox conditions
resolves10.1016/S0012-821X(97)00053-8
History of water-column anoxia in the Black Sea indicated by pyrite framboid size distributions
The 7 references without a DOI — listed, not checked
no DOI — not checkedPermo-Triassic of the Indian subcontinent and its intercontinental correlation
no DOI — not checkedAnalysis of late Permian and early Triassic faunas of Kashmir
no DOI — not checkedPreliminary report on the Permo-Trias of Kashmir, India
no DOI — not checkedThe Upper Permian and Lower Triassic in Kashmir, India
no DOI — not checked10.1016/j.palaeo.2004.10.009_bib11
no DOI — not checked10.1016/j.palaeo.2004.10.009_bib13
no DOI — not checkedExtent, duration and nature of the Permian–Triassic superanoxic event
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carried a publisher retraction notice at that time. It says nothing about the quality, findings,
or importance of the work itself, and nothing about references deposited without a DOI.
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