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Wyświetlanie 1-3 z 3
Tytuł:
An awkward contaminant: are mercury concentrations in historically collected fossils a result of storage conditions?
Autorzy:
Surmik, Dawid
Cabała, Jerzy
Balin, Katarzyna
Szade, Jacek
Powiązania:
https://bibliotekanauki.pl/articles/2055853.pdf
Data publikacji:
2022
Wydawca:
Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Wydawnictwo AGH
Tematy:
mercury
contamination
vertebrates
bones
Opis:
High concentrations of mercury (Hg), reaching astonishing values in two cases, have recently been detected in Middle and Late Triassic fossil reptile bones, housed for over 100 years in several Polish museum collections. Since no correlation between either the life modes of these taxa or their burial environment was observed, the studied contaminations seem to be associated with housing conditions. The specimens were kept for an extended amount of time in boxes, in which they were stored soon after finding. A proximity of mercury-containing materials, like mercury fulminate, and unstandardized conditions of storage and conservation of the remains may result in contamination of porous bone with mercury. A detailed knowledge about the housing history of old museum collections has great importance to their prospective studies.
Źródło:
Geology, Geophysics and Environment; 2022, 48, 1; 39--49
2299-8004
2353-0790
Pojawia się w:
Geology, Geophysics and Environment
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
A regurgitalite of the Middle Triassic (Muschelkalk) from Upper Silesia (Poland)
Autorzy:
Niedźwiedzki, Robert
Surmik, Dawid
Chećko, Agnieszka
Salamon, Mariusz A.
Powiązania:
https://bibliotekanauki.pl/articles/1841762.pdf
Data publikacji:
2021
Wydawca:
Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Wydawnictwo AGH
Tematy:
bromalites
regurgitalites
Middle Triassic
Muschelkalk
Upper Silesia
Polska
Opis:
A bromalite from the Middle Triassic (Muschelkalk) of southern Poland, Sadowa Góra Quarry, is herein described and interpreted as a regurgitalite. The fossils occurring within the regurgitalite are angular and have sharp edges. They are represented by common fragments of thin-shelled bivalves as well as rare crinoid and gastropod remains. The composition of the collected inclusion is different from that of the host rock. There are many candidates that could have produced the regurgitalite, including durophagous sharks, marine reptiles, the actinopterygian Colobodus, or nautiloids. Our finding adds to the emerging evidence of durophagous predation in the Triassic sea of Polish part of the Germanic Basin. It is the second record of a regurgitalite from the Muschelkalk of Upper Silesia.
Źródło:
Geology, Geophysics and Environment; 2021, 47, 1; 33-40
2299-8004
2353-0790
Pojawia się w:
Geology, Geophysics and Environment
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Ophiuroids from the Middle Triassic (Muschelkalk) of Sadowa Góra, Jaworzno (southern Poland)
Autorzy:
Surmik, Dawid
Salamon, Mariusz A.
Chećko, Agnieszka
Kędroń, Karolina
Powiązania:
https://bibliotekanauki.pl/articles/184676.pdf
Data publikacji:
2020
Wydawca:
Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Wydawnictwo AGH
Tematy:
Middle Triassic
Muschelkalk
ophiuroids
Polska
Opis:
Ophiuroids belonging to Aspiduriella sp., Aspiduriella similis (Eck), and Arenorbis sp. are described from the Middle Triassic (Muschelkalk) strata of the Sadowa Góra Quarry (Jaworzno) in southern Poland. This is the only Polish location where three taxa of these ophiuroids have been found in one stratigraphic horizon (1st Wellenkalk). To date, only single taxa have been found in the Triassic sections of the eastern part of the Germanic Basin. Finally, other ophiuroid mass aggregations also known from Poland are presented.
Źródło:
Geology, Geophysics and Environment; 2020, 46, 2; 175-182
2299-8004
2353-0790
Pojawia się w:
Geology, Geophysics and Environment
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-3 z 3

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