Reference health
The influence of syngenetic hydrothermal silica fluid on organic matter preservation in lower Cambrian Niutitang Formation, South China
1 of 48 checkable references need attention · checked 2026-07-23
At the dated check, the references listed below either did not resolve in Crossref or DataCite, or carried a retraction notice. Each one is shown with the registry record that put it there.
17 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.
References needing attention
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Implications of a 3.472–3.333 Gyr-old subaerial microbial mat from the Barberton greenstone belt, South Africa for the UV environmental conditions on the early Earth
The 47 checked references that resolve
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Hydrothermal chert and associated siliceous rocks from the northern Pacific their geological significance as indication od ocean ridge activity
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Early entombment within silica minimizes the molecular degradation of microorganisms during advanced diagenesis
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Chemistry and mineralogy of Jurassic bedded chert overlying ophiolites in the North Apennines, Italy
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Geochemical evolution of organic-rich shales with increasing maturity: A STXM and TEM study of the Posidonia Shale (Lower Toarcian, northern Germany)
resolves10.1016/j.precamres.2019.105438
The Ediacaran-Cambrian rise of siliceous sponges and development of modern oceanic ecosystems
resolves10.1016/j.palaeo.2020.109697
Source of silica and silicification of the lowermost Cambrian Yanjiahe Formation in the Three Gorges area, South China
resolves10.1016/j.chemgeo.2008.10.016
Hydrothermal venting activities in the Early Cambrian, South China: Petrological, geochronological and stable isotopic constraints
resolves10.1016/j.gca.2020.01.050
Evidence for high organic carbon export to the early Cambrian seafloor
resolves10.3389/fmars.2017.00397
Biosilicification Drives a Decline of Dissolved Si in the Oceans through Geologic Time
resolves10.1016/B0-08-043751-6/07095-X
The Diagenesis of Biogenic Silica: Chemical Transformations Occurring in the Water Column, Seabed, and Crust
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Microbial remains in some earliest Earth rocks: Comparison with a potential modern analogue
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Anatomy of siliceous hot springs: examples from Yellowstone National Park, Wyoming, USA
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Using Ge/Si ratios to decouple iron and silica fluxes in Precambrian banded iron formations
resolves10.1007/s11430-012-4496-y
Depositional chemistry of chert during late Paleozoic from western Guangxi and its implication for the tectonic evolution of the Youjiang Basin
resolves10.1007/s10750-004-1437-6
Molecular phylogeny of siboglinid annelids (a.k.a. pogonophorans): a review
resolves10.1016/j.coal.2019.103319
Maceral composition and origin of organic matter input in Neoproterozoic–Lower Cambrian organic-rich shales of Salt Range Formation, upper Indus Basin, Pakistan
resolves10.1016/j.gca.2013.03.004
Texture-specific isotopic compositions in 3.4Gyr old organic matter support selective preservation in cell-like structures
resolves10.1111/jpg.12619
THE LOWER CAMBRIAN NIUTITANG FORMATION AT YANGTIAO (GUIZHOU, SW CHINA): ORGANIC MATTER ENRICHMENT, SOURCE ROCK POTENTIAL, AND HYDROTHERMAL INFLUENCES
resolves10.1130/B25555.1
Secular change in the Precambrian silica cycle: Insights from chert petrology
resolves10.1016/0025-3227(82)90141-4
Some geochemical indicators for discrimination between diagenetic and hydrothermal metalliferous sediments
resolves10.1016/j.marpetgeo.2018.06.005
Origin of quartz in the lower Cambrian Niutitang Formation in south Hubei Province, upper Yangtze platform
resolves10.1016/S0012-8252(00)00024-6
Radiolarian palaeoecology and radiolarites: is the present the key to the past?
resolves10.1016/j.marpetgeo.2012.08.006
Primary silica precipitate at the Precambrian/Cambrian boundary in the South Oman Salt Basin, Sultanate of Oman
resolves10.1016/0012-821X(81)90014-5
Geochemistry of the Mesozoic bedded cherts of Central Baja California (Vizcaino-Cedros-San Benito): implications for paleogeographic reconstruction of an old oceanic basin
resolves10.1046/j.1365-3091.1998.00194.x
Rapid <i>in situ</i> silicification of microbes at Loburu hot springs, Lake Bogoria, Kenya Rift Valley
resolves10.1139/e95-155
In situ silicification of an Icelandic hot spring microbial mat: implications for microfossil formation
resolves10.1016/S0031-0182(01)00208-5
Submarine-hydrothermal exhalative ore layers in black shales from South China and associated fossils — insights into a Lower Cambrian facies and bio-evolution
resolves10.1016/j.oregeorev.2016.08.021
A mixed seawater and hydrothermal origin of superior-type banded iron formation (BIF)-hosted Kouambo iron deposit, Palaeoproterozoic Nyong series, Southwestern Cameroon: Constraints from petrography and geochemistry
resolves10.1021/ef4022703
Shale Gas Potential of the Major Marine Shale Formations in the Upper Yangtze Platform, South China, Part III: Mineralogical, Lithofacial, Petrophysical, and Rock Mechanical Properties
resolves10.1016/S0278-4343(98)00073-9
Effect of shallow-water hydrothermal venting on the biota of Matupi Harbour (Rabaul Caldera, New Britain Island, Papua New Guinea)
resolves10.1016/j.chemgeo.2006.02.012
Trace metals as paleoredox and paleoproductivity proxies: An update
resolves10.1016/j.precamres.2012.08.005
Taphonomy of very ancient microfossils from the ∼3400Ma Strelley Pool Formation and ∼1900Ma Gunflint Formation: New insights using a focused ion beam
resolves10.1016/j.marpetgeo.2020.104355
Evaluating episodic hydrothermal activity in South China during the early Cambrian: Implications for biotic evolution
resolves10.1016/j.chemgeo.2016.03.005
The formation conditions of the early Ediacaran cherts, South China
resolves10.1016/j.coal.2015.05.011
Intact microbial fossils in the Permian Lucaogou Formation oil shale, Junggar Basin, NW China
resolves10.1016/j.palwor.2016.01.005
Sheet-like microfossils from hydrothermally influenced basinal cherts of the lower Cambrian (Terreneuvian) Niutitang Formation, Guizhou, South China
resolves10.1016/j.jseaes.2008.07.003
Geochemistry of basal Cambrian black shales and cherts from the Northern Tarim Basin, Northwest China: Implications for depositional setting and tectonic history
resolves10.1016/j.palaeo.2020.109961
Oceanic chemistry recorded by cherts during the early Cambrian Explosion, South China
resolves10.1021/acs.energyfuels.7b03544
Factors Affecting Shale Gas Accumulation in Overmature Shales Case Study from Lower Cambrian Shale in Western Sichuan Basin, South China
resolves10.1016/j.marpetgeo.2018.10.030
Fracture types in the lower Cambrian shale and their effect on shale gas accumulation, Upper Yangtze
resolves10.1016/j.marpetgeo.2018.09.009
Mineral composition and seal condition implicated in pore structure development of organic-rich Longmaxi shales, Sichuan Basin, China
resolves10.1306/03141817183
Discovery of the lower Cambrian high-quality source rocks and deep oil and gas exploration potential in the Tarim Basin, China
resolves10.1007/s11430-009-0152-6
SIMS U-Pb zircon age of a tuff layer in the Meishucun section, Yunnan, southwest China: Constraint on the age of the Precambrian-Cambrian boundary
The 17 references without a DOI — listed, not checked
no DOI — not checkedGenesis of ferromanganese deposits-diagnostic criteria for recent and old deposits
no DOI — not checkedGlobal neoproterozoic petroleum systems: the emerging potential in north Africa
no DOI — not checkedA euxinic-wedge model for Mo cycling in the early Cambrian oceans
no DOI — not checked10.1016/j.marpetgeo.2021.105098_bib30
no DOI — not checkedMineralization characteristics of the multi-element-rich strata in the Niutitang Formation black shales, Zunyi, Guizhou, China
no DOI — not checkedRelationships between the trace element composition of sedimentary rocks and upper continental crust
no DOI — not checkedDiagenetic formation of bedded chert: evidence from chemistry of the chert-shale couplet
no DOI — not checked10.1016/j.marpetgeo.2021.105098_bib50
no DOI — not checked10.1016/j.marpetgeo.2021.105098_bib55
no DOI — not checkedLithofacies distribution characteristics and its controlling factors of shale in Wufeng formation-member 1 of longmaxi formation in the jiaoshiba area
no DOI — not checkedOrigin of witherite ore deposits in early Cambrian Dabashan black shale series
no DOI — not checkedEnvironmental influences on the chemical composition of shales and clays
no DOI — not checkedThe experimental silicification of microorganisms
no DOI — not checkedThe geology and remarkable thermal activity of norris geyser basin, yellow-stone national park, Wyoming
no DOI — not checkedApplication of inorganic whole rock geochemistry to shale resource plays
no DOI — not checkedDepositional environment, organisms components and source rock formation of siliceous rocks in the base of the Cambrian Niutitang Formation, Kali, Guizhou
no DOI — not checkedStudy on sedimentary environment and origin of black siliceous rocks of the lower Cambrian in Guizhou Province
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