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Showing results for tags 'widder'.
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From the album: Trilobites
Taxonomy: Greenops widdernesis Age: M. Devonian Location: Arkona, ON (Widder Fm) Source: Self collected. Remarks: Prepared by Malcolm Thornley. Specimen is complete and intact apart from some minor pleural damage on right side. -
Specimen collected from the north exposure of the Ausable river, westbound from the northern pit of Hungry Hollow owned and operated by Brampton Brick. Specimen (prone) complete and intact save for some minor pleural damage on the right side. Specimen retrieved whole with matrix. Preliminary preparation by K. Faucher to remove bulk matrix cover. Second preparation by Malcolm Thornley using a Comco abrasion unit at 7 PSI, with dolomite as the abrasion substance through a 320 mesh screen, 0.15 nozzle and subsequently 0.10 nozzle for more intricate matrix removal. Prepared by: Malcolm Thornley in June, 2017. Photo Credits: Malcolm Thornley.