Exceptional datolite crystals from Albion Park, New South Wales: morphology, chemistry and likely origin

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dc.contributor.authorGraham, ITen_AU
dc.contributor.authorColchester, DMen_AU
dc.contributor.authorCendón, DIen_AU
dc.contributor.authorLay, Aen_AU
dc.contributor.authorHergt, JMen_AU
dc.contributor.authorGreig, Aen_AU
dc.contributor.authorLarsen, JRen_AU
dc.date.accessioned2021-12-02T04:27:17Zen_AU
dc.date.available2021-12-02T04:27:17Zen_AU
dc.date.issued2018en_AU
dc.date.statistics2021-10-14en_AU
dc.description.abstractLarge, well-formed, semi-transparent yellow–green crystals up to 5.6 cm were found in cavities within the Late Permian Bumbo Latite Member of the Gerringong Volcanics in the now abandoned Cleary Brothers Quarry, Albion Park, New South Wales. Although labelled by the collector as calcite, these were later identified as datolite, with two distinct habits, occurring on a matrix of crystallized quartz and prehnite. The datolite contains very low concentrations of elements other than the essential calcium, silicon, oxygen and boron. Its distinctive chondrite-normalized, positive europium anomaly, when compared with datolite data from elsewhere, suggests crystallization from postdiagenetic hydrothermal fluids in the temperature range of 200–250°C. These datolite crystals are the finest ever found in Australia and rank highly with those found elsewhere in the world. © 2018 Mineralogical Society of Victoriaen_AU
dc.identifier.citationGraham I.T., Colchester D.M., Cendón D.I. Lay A., Hergt J.M., Greig A., Larsen J. (2018). Exceptional datolite crystals from Albion Park, New South Wales: morphology, chemistry and likely origin. Australian Journal of Mineralogy, 19 (1), 35-44.en_AU
dc.identifier.issn1323-7640en_AU
dc.identifier.issue1en_AU
dc.identifier.journaltitleAustralian Journal of Mineralogyen_AU
dc.identifier.pagination35-44en_AU
dc.identifier.urihttps://apo.ansto.gov.au/dspace/handle/10238/12321en_AU
dc.identifier.volume19en_AU
dc.language.isoenen_AU
dc.publisherMineralogical Society of Victoriaen_AU
dc.subjectNew South Walesen_AU
dc.subjectAustraliaen_AU
dc.subjectVolcanic regionsen_AU
dc.subjectRare earthsen_AU
dc.subjectHydrothermal alterationen_AU
dc.subjectCalciteen_AU
dc.subjectCrystalline rocksen_AU
dc.subjectQuartzen_AU
dc.subjectTemperature range 0065-0273 Ken_AU
dc.titleExceptional datolite crystals from Albion Park, New South Wales: morphology, chemistry and likely originen_AU
dc.typeJournal Articleen_AU
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