Оригинал
https://www.cambridge.org/core/journals/antarctic-science/article/first-discovery-of-antarctic-amber/700244C13B3972F0048EAC029E34263E
Все интересное:
"The numerous amber pieces from Site 20 disclose intense yellow to brownish fluorescence emissions with or without internal structure depending on the host plant. They further show signs of pathological resin flow (Fig. 1e–g) induced by traumatic resinosis, a process that mobilizes resin to seal bark injuries typically resulting from parasites or forest fires (e.g. Langenheim Reference Langenheim2003, Brown et al. Reference Brown, Scott, Glasspool and Collinson2012). This creates a chemical and physical barrier against post-injury insect attacks and pathogen infections (e.g. Franceschi et al. Reference Franceschi, Krokene, Christiansen and Krekling2005). Evidence for wildfires in late Cretaceous forests has been frequently reported from elsewhere but, so far, only rarely from polar biomes (Brown et al. Reference Brown, Scott, Glasspool and Collinson2012, Mays et al. Reference Mays, Cantrill and Bevitt2017). The environment reconstructed for West Antarctica (Klages et al. Reference Klages, Salzmann, Bickert, Hillenbrand, Gohl and Kuhn2020) explains the good preservation of the discovered amber with only rare peripheral signs of corrosion (i.e. high water levels quickly covered the resin and protected it from atmospheric agents such as ultraviolet radiation and oxidation; Langenheim Reference Langenheim2003). The newly discovered Antarctic amber further reveals potential tree bark remains preserved as micro-inclusions (Fig. 1e), hence indicating subaerial resin exudation on the plant's surface. The amber and its high amber-standard quality (i.e. solid, clear and translucent particles) indicate shallow burial, as amber would dissipate under increasing thermal stress with burial depth."
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