Search
Search Results
-
Diffusion chronometry of volcanic rocks: looking backward and forward
Diffusion of elements that result in compositional zoning in minerals in volcanic rocks may be used to determine the timescales of various volcanic...
-
Platinum-group element geochemical constraints on mantle heterogeneity and petrogenesis along the Cameroon Volcanic Line
The present study reports petrographic and geochemical data on peridotite xenoliths from the Cameroon Volcanic Line (CVL). The main aim of the study...
-
Volcanic Geology of Terceira Island, Azores: A Field Guide to Geodiversity
Terceira in the Azores archipelago is one of the most geologically diverse islands of the Atlantic Ocean and its geodiversity is due to the close...
-
Past, Present and Future Volcanic Activity on El Hierro
El Hierro, the youngest island of the Canary Islands, emerged from the ocean floor only 1.2 Ma ago and it is still in its youngest stage (shield...
-
Timing of the final closure of the Paleo-Asian Ocean: Evidence from sedimentary and volcanic rocks of the Linxi Formation in southeastern Inner Mongolia, China
The Paleo-Asian Ocean (PAO) had multiple collage systems and closed along multiple sutures. The final timing of the closure of the PAO was closely...
-
Temporal change in rock-magnetic properties of volcanic ashes ejected during a 1-year eruption event: a case study on the Aso Nakadake 2019–2020 eruption
We investigated temporal changes in the rock-magnetic properties of volcanic ash ejected from the Aso Nakadake volcano during a sequence of ash...
-
The impact of the Hunga Tonga–Hunga Ha’apai volcanic eruption on the Peruvian atmosphere: from the sea surface to the ionosphere
The eruption of the Hunga Tonga Hunga Ha’apai volcano on 15 January 2022 significantly impacted the lower and upper atmosphere globally. Using...
-
Seismic and geomorphic assessment for coseismic landslides zonation in tropical volcanic contexts
The Poás volcano is an active volcano of Costa Rica with intense tectonic activity in its flanks. Historically, the volcano has presented strong,...
-
Chronology of the Precambrian Events
The isotopic age estimations in Lithuania are comparatively numerous and acquired by various methods. A general overview of isotopic dating reveals...
-
Post Pan-African landscape evolution in the Garoua-Gaschiga Region (North Cameroon, Central Africa): a record of neotectonic, volcanic and climatic controls
The Garoua-Gaschiga Region (GGR) is a portion of the Cameroon passive margin located North of Cameroon (Central Africa), inside the Cretaceous Benue...
-
Late Precambrian Rhyolite–Granite Volcanic–Plutonic Associations of the Southern Ulutau (Central Kazakhstan)
AbstractThe results of a study of Late Precambrian effusive and plutonic rocks of the Dyusembai and Aktass volcanic–plutonic associations of the...
-
Repeated seismic swarms near Paricutin volcano: precursors to the birth of a new monogenetic volcano in the Michoacán-Guanajuato volcanic field, México?
The birth of a new monogenetic volcano is difficult to forecast with precision, both in space and time. Nevertheless, seismic activity can alert of...
-
The Effect of Atmospheric Acoustic Resonance Induced by Earthquakes and Volcanic Eruptions on the Ionosphere and Geomagnetic Field
Abstract —It has been observed that strong earthquakes and volcanic eruptions are sometimes followed by geomagnetic oscillations with frequencies of...
-
High potential geothermal areas within the Rahat volcanic field, Saudi Arabia, from gravity data and 3D geological modeling
We present various geological models to examine the geothermal energy potential at the Rahat volcanic field, Saudi Arabia. The method involves the...
-
From empirically to physically based early warning predictions of rainfall-induced landslides in silty volcanic soils: the Lattari Mountains case study
The work proposes a procedure to build an early warning predictive tool to assess the occurrence of rainfall-induced landslides in silty volcanic...
-
Delineating a volcanic aquifer using groundwater-induced gravity changes in the Tatun Volcano Group, Taiwan
The Tatun Volcanic Group (TVG) is an active volcanic system that poses potential volcanic hazards to northern Taiwan. Groundwater migration can be...
-
Identification and Management of Indirect Volcanic Risks: Citizens’ Rockfall Observatory on the Island of El Hierro
Secondary volcanic hazards (SVH) are not usually considered in volcanic hazard analysis, nor are they specifically included in volcanic risk...
-
Alkaline rocks of the Bobaomby volcanic field point to a petrogenetic link between Comoros and northern Madagascar lithosphere
The Bobaomby volcanic field (10–11 Ma) is the northernmost volcanic area of Madagascar, and is a monogenetic volcanic field comprising outcrops of...
-
Investigating high permeable zones in non-volcanic geothermal systems using lineament analysis and fault fracture density (FFD): northern Konawe Regency, Indonesia
Indonesia has high geothermal potential comprising 40% of the world’s potential geothermal energy, volcanic and non-volcanic systems. Volcanic...
-
Mixing and eruption of mafic magmas of the Sipisupisu volcano, the Toba volcanic system, Indonesia
Texture and particularly compositional variations of zoned minerals are important to understand trans-crustal magma plumbing systems of volcanoes....
