volcanics

volcanics

[väl′kan·iks]
(petrology)
Igneous rocks that solidified after reaching or nearing the earth's surface.
References in periodicals archive ?
It hosts the Mitsumis pluton overlain by volcanics intruded by felsic-intermediate plugs and sill/dyke horizons.
Gold mineralization is related to hydrothermal-type breccia zones and typical, structurally-controlled shear and fault zones hosted by both volcanics, sediments and felsic intrusions.
"This has led to a massive amount of available data from underneath the ground but, despite this, the volcanics have never been properly understood in this region until now.
"This has led to a massive amount of available data from underneath the ground but the volcanics have never been properly understood in this region until now.
The property geology contains the contact between Confederation and Balmer Assemblage rock units as well as folded mafic and ultramafic volcanics with mafic and felsic intrusives also present.
Their topics include voluminous and compositionally diverse middle Miocene Strawberry volcanics of northeastern Oregon: magmatism cogenetic with flood basalts of the Columbia River Basalt Group, quaternary glacio-volcanism in the Canadian Cascades volcanic arc: paleoenvironmental implications, new perspectives on the 19th-century golden pumice deposit of Kilauea Volcano, and the communication strategy of the US Geological Survey Hawaiian Volcano Observatory during the lava-flow crisis of 2014-15 at Kilauea Volcano.
The round was led by Pivotal bioVenture Partners China Fund and joined by Nan Fung Life Sciences, China Merchant Bank Investments and Volcanics Ventures.
Lower Eocene volcanics were developed in the Aleppo area.
Caption: The geological map of the Republic of Macedonia: (1) Neogene; (2) Volcanics; (3) Cretaceous; (4) Gabbros-diabasses; (5) Triassic; (6) Granitoids; (7) Palaeozoic; (8) Riphean-Cambrian; (9) Marbles; (10) Gneisses; (11) Faults; (12) SMM; (13) VZ; (14) PM; (15) WMZ