Method for calculation of drilling-and-blasting operations parameters for emulsion explosives [PDF]
, 2019 Purpose. Development of a new method for calculation of drilling-and-blasting operations parameters during underground mining with application of emulsion explosives taking into account their energy characteristics as well as physical and mechanical ...
Khomenko, O +3 more
core +1 more source
The ammonites of the Middle Jurassic Cranocephalites beds of East Greenland. Appendix: pages 129-145 [PDF]
Geological Survey of Denmark and Greenland Bulletin, 2015 Appendix: Description of a new Bajocian (Middle Jurassic) ammonite species, Cranocephalites tvaerdalensis sp.nov., from Geographical Society Ø, North-East Greenland. A new Cranocephalites species, C. tvaerdalensis sp. nov., is described.
P. Alsen
doaj
Rivista Italiana di Paleontologia e Stratigrafia, 2004 In the Ricla area (Zaragoza, Aragonese Branch of the Iberian Range), at the top of the Yátova Formation, grey-reddish wackestone limestones grade into yellow-green siliciclastic limestones of the Aldealpozo Formation.
SIXTO R. FERNÁNDEZ-LÓPEZ +1 more
doaj +1 more source
Geologica Carpathica, 2017 Euthymi, Crassicostatum and Callisto ammonite subzones, correlable with Paramimounum, Picteti, and Alpillensis subzones and probably with the Late Berriasian Otopeta Subzone of the Boissieri Standard Zone have been recognized in calcareous clays of the ...
Arkadiev Vladimir V. +6 more
doaj +1 more source
The Jurassic/Cretaceous boundary and high resolution biostratigraphy of the pelagic sequences of the kurovice section (Outer Western Carpathians, the northern Tethyan margin) [PDF]
, 2019 Microfacies and high resolution studies at the Kurovice quarry (Czech Republic, Outer Western Carpathians) on calpionellids, calcareous and non-calcareous dinoflagellate cysts, sporomorphs and calcareous nannofossils, aligned with paleomagnetism, allow ...
Elbra, Tiiu +6 more
core +1 more source
A calcareous nannofossil and organic geochemical study of marine palaeoenvironmental changes across the Sinemurian/Pliensbachian (early Jurassic, ~191Ma) in Portugal [PDF]
, 2016 The Sinemurian/Pliensbachian boundary (~ 191 Ma) is acknowledged as one of the most important steps in the radiation of planktonic organisms, especially primary producers such as dinoflagellates and coccolithophores.
Baudin, F. +6 more
core +4 more sources
SYNTHESIS OF CALCAREOUS NANNOFOSSIL EVENTS IN TETHYAN LOWER AND MIDDLE JURASSIC SUCCESSIONS
Rivista Italiana di Paleontologia e Stratigrafia, 1999 This paper is a synthesis of calcareous nannofossil biostratigraphy for the Lower and Middle Jurassic of the Mediterranean Province based on several sections from Northern and Central Italy.
EMANUELA MATTIOLI, ELISABETTA ERBA
doaj +1 more source
Rivista Italiana di Paleontologia e Stratigrafia, 2005 In the context of updating biostratigraphic analysis in the Upper Kimmeridgian-lowermost Berriasian from the whole of the Tunisian Dorsale (NE Tunisia), new results obtained from the Jebel Oust reference section are presented.
MABROUK BOUGHDIRI +5 more
doaj +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 +3 more
core +2 more sources
Journal of Petroleum Geology, EarlyView.ABSTRACT The Lower Cretaceous Yamama Formation of southern Iraq represents a key carbonate reservoir within Iraq and the Middle East, yet its complex depositional facies architecture and diagenetic alterations present challenges for predicting reservoir quality.
A. K. A. Mohammed +8 more
wiley +1 more source