Geologija, 2020 The paper deals with newly discovered Valanginian-Hauterivian fauna of heteromorphic ammonites (Ancyloceratina) from locality south of the village of Leše above the Meža River valley (North Karavanke Mountains).
Matija KRIŽNAR +2 more
core +2 more sources
Sedimentary Mercury Enrichments as a Tracer of Large Igneous Province Volcanism
Geophysical Monograph Series, Page 247-262., 2021 Exploring the links between Large Igneous Provinces and dramatic environmental impact
An emerging consensus suggests that Large Igneous Provinces (LIPs) and Silicic LIPs (SLIPs) are a significant driver of dramatic global environmental and biological changes, including mass extinctions.
Lawrence M. E. Percival +3 more
wiley +6 more sources
Overview of the Les Isnards Ammonite Slab Geoheritage Site (Digne-les-Bains, Southeastern France) [PDF]
Geoconservation Research, 2021 The Digne-les-Bains ammonite slab is one of the most impressive geosites of the UNESCO Global Geopark of Haute-Provence and Réserve Naturelle Nationale Géologique de Haute-Provence.
Didier Bert, Jean-Simon Pagès
doaj +1 more source
Mineralogy of interior jewellery ammonites of the Samara region
Известия высших учебных заведений: Геология и разведка, 2022 Background. Ammonite products are increasingly gaining in popularity. Ammonites are characterised by a variety of colour shades, shapes and sizes, making them suitable for manufacturing a wide range of souvenir and jewellery products.
D. A. Petrochenkov, E. Yu. Baraboshkin
doaj +1 more source
Research and Geoconservation of the Albian “Giant” Ammonites Collection in the Basque Coast UNESCO Global Geopark [PDF]
Geoconservation Research, 2021 The Basque Coast UNESCO Global Geopark is known worldwide for its great thickness of Upper Cretaceous and Paleocene “flysch” formations. The K/Pg and P/E boundaries are among the most popular sites, together with the IUGS-ICS designated Selandian and ...
Asier Hilario +2 more
doaj +1 more source
Ontogenetic Trends of Sutural Complexity in Jurassic Ammonites
Geosciences, 2022 Ontogenetic sequencing of suture fractal dimensions from a single ammonite specimen was not previously accessible without extreme measures. The necessity for destruction of the full conch due to whorl overlap or, alternatively, the prohibitively ...
Katherine Marriott +7 more
doaj +1 more source
Lower and Middle Cenomanian ammonites from the Morondava Basin, Madagascar [PDF]
, 2013 Lower and Middle Cenomanian ammonite assemblages have been collected on a bed-by-bed basis from localities at Vohipaly and Mahaboboka, Madagascar, as well as from outcrops around Berekata, all in the Morondava Basin, southwest Madagascar.
Walaszczyk, I. +9 more
core +1 more source
Ammonites and stratigraphy of a Lower Bajocian (Middle Jurassic) section in Sierra Chacaico (Neuquén Basin, Argentina) [PDF]
, 2012 A Lower Bajocian section from southern Neuquén Basin (Argentina), with 3 faunal horizons (sphaeroceroides, submicrostoma and giebeli horizons) in the Singularis and Giebeli zones, is described.
Dietze, Volker +5 more
core +1 more source
Известия высших учебных заведений: Геология и разведка, 2019 For the first time, data on the mineral composition and gemological characteristics of the jewelry-ornamental ammonites of the Republic of Adygea have been presented.
D. A. Petrochenkov
doaj +1 more source
MINERAL COMPOSITION AND STRUCTURAL FEATURES OF JEWELER AMMONITES FROM KOSTROMA REGION
Известия высших учебных заведений: Геология и разведка, 2017 Detailed mineralogical examination of ammonites of jewelry quality has been carried out by means of radiographical, X-ray microanalyses and electronic microscopy.
D. A. Petrochenkov
doaj +1 more source