Journal of Taibah University for Science, 2020 This study presents microscopic results of 50 samples and 5 in situ magnetic susceptibility profiles, field investigations and bedrock characteristics of northern Harrat Rahat Quaternary volcanic rocks, located in the southern part of Al-Madinah city ...
S. M. Sakr +3 more
doaj +1 more source
Field trip to the Ischia resurgent caldera, a journey across an active volcano in the Gulf of Naples [PDF]
, 2018 Ischia is one of the most impressive examples of post-caldera resurgence in the world, with its almost 1,000 m of uplift in less than 30 ka. This three-days field trip will lead the participants through the geological and volcanological history of the ...
Enrica Marotta +5 more
core
Modelling of bubble nucleation in trachy-phonolitic magmas: implications for the dynamics of ash-rich eruptions [PDF]
, 2012 Nucleation of water gas bubbles in trachyphonolitic magmatic melts has been investigated integrating theory and numerical modelling with decompression experiments and analysis of natural ash samples of explosive eruptions.
Colucci, Simone
core +1 more source
Paleomagnetic and Rock Magnetic Study to Determine the Emplacement Temperatures of the ~ 3580 BC Chachimbiro Pyroclastic Deposits, Ecuador [PDF]
, 2022 Joseline Chica +2 more
openalex +1 more source
Igneous processes within late Precambrian volcanic centres near Whitwick, northwestern Charnwood Forest [PDF]
, 2000 Precambrian rocks in northwestern Chamwood Forest differ markedly from their lateral equivalents to the east and south. They are subdivided into the Whitwick Volcanic Complex, of massive to intensely brecciated high-silica andesites and porphyritic ...
Carney, John
core
Geologija, 2006 Fresh-water, coarse-grained and detritus-dominated Mura Formation in North Eastern Slovenia includes pyroclastic and volcaniclastic deposits originating from Upper Pliocene volcanic activity of basaltic geochemical character.
Polona Kralj
doaj
Eocene age of the Baranowski Glacier Group at Red Hill, King George Island, West Antarctica
Polish Polar Research, 2015 Radiometric and geochemical studies were carried out at Red Hill in the southern part of King George Island (South Shetland Islands, northern Antarctic Peninsula) on the Bransfield Strait coast.
Mozer Anna +2 more
doaj +1 more source
Rifting and arc-related early Paleozoic volcanism along the North Gondwana margin: geochemical and geological evidence from Sardinia (Italy) [PDF]
, 2012 Three series of volcanic rocks accumulated during the Cambrian to Silurian in the metasediment-dominated Variscan basement of Sardinia. They provide a record of the changing geodynamic setting of the North Gondwana margin between Upper Cambrian and ...
BUZZI L +3 more
core +1 more source
Fasies gunung api dan aplikasinya
Indonesian Journal on Geoscience, 2014 http://dx.doi.org/10.17014/ijog.vol1no2.20061Based on the nature and rock association, a composite volcanic cone can be divided into central facies, proximal facies, medial facies and distal facies. Physiographically, those begin from central eruption at
Sutikno Bronto
doaj +1 more source
Zeolites in Mafic Pyroclastic Rocks from the Sandikli-Afyonkarahisar Region, Turkey [PDF]
Clays and Clay Minerals, 2013 AbstractGeologic mapping and crystal-chemical analysis of Middle-Upper Miocene volcanics in the Sandıklı-Afyonkarahisar region of Turkey, coupled with published zeolite analyses has revealed that western Turkey hosts unique zeolitic mineral assemblages with distinct paragenetic sequences.
Özpınar, Yahya +2 more
openaire +3 more sources