A new occurrence of diagenetic Simonkolleite from the Gannel Estuary, Cornwall

D Pirrie*, M. R. Power, PD Wheeler, AS Ball

*Corresponding author for this work

    Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review


    Early diagenetic concretions, that have grown in the last 130 years are common at Penpol in the Gannel Estuary. They are mineralogically complex, being dominated by calcite-siderite-Fe monosulphide cements. Commonly, they are nucleated around discarded metal artefacts. in one of the concretions, diageneticsimonkolleite (Zn(5)(OH)(8)Cl(2).H(2)O) has been identified along with zincite and an unnamed Zn phased this is the first record of simonkolleite in the UK. The diagenetic simonkolleite probably formed as a result of the corrosion of a Zn plate artefact within the estuary, either from shipping or possibly mine waste slag.

    Original languageEnglish
    Title of host publicationGEOSCIENCE IN SOUTH-WEST ENGLAND,
    EditorsCL Williams
    PublisherUSSHER SOC
    Number of pages3
    VolumeVOL 10, PT 1
    Publication statusPublished - 2000
    Event38th Ussher-Society Conference - Torquay, United Kingdom
    Duration: 5 Jan 20008 Jan 2000

    Publication series

    NameProceedings of the Ussher Society
    PublisherUSSHER SOC
    ISSN (Print)0566-3954


    Conference38th Ussher-Society Conference
    Country/TerritoryUnited Kingdom


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