Results 81 to 90 of about 146,316 (260)

Asal-usul Pembentukan Gunung Batur di daerah Wediombo, Gunungkidul, Yogyakarta

Indonesian Journal on Geoscience, 2014
http://dx.doi.org/10.17014/ijog.vol2no3.20073Physiographically, the Gunung Sewu Subzone is predominantly composed of limestone of the Wonosari Formation, but in Wediombo area volcanic rocks of the Wuni Formation is exposed.
Gendoet Hartono, Sutikno Bronto
doaj   +1 more source

Safety and efficacy of a feed additive consisting of natrolite-phonolite obtained from volcanic rock from Kaiserstuhl for all animal species (Hans G. Hauri Mineralstoffwerk GmbH). [PDF]

EFSA J, 2023
EFSA Panel on Additives and Products or Substances used in Animal Feed (FEEDAP), Bampidis V, Azimonti G, Bastos ML, Christensen H, Dusemund B, Durjava M, Kouba M, López-Alonso M, López Puente S, Marcon F, Mayo B, Pechová A, Petkova M, Ramos F, Villa RE, Woutersen R, Galobart J, Holczknecht O, Innocenti M, Pizzo F, Vettori MV, Ortuño J.   +22 more
europepmc   +1 more source

Characterizing lithological, weathering, and hydrothermal alteration influences on volcanic rock properties via spectroscopy and laboratory testing: a case study of Mount Ruapehu volcano, New Zealand [PDF]

, 2023
Lauren N. Schaefer, Gábor Kereszturi, Ben Kennedy, Marlène Villeneuve   +3 more
openalex   +1 more source

Cenozoic sedimentary and volcanic rocks of New Zealand: A reference volume of lithology, age and paleoenvironments with maps (PMAPs) and database. [PDF]

, 2015
This volume presents descriptive geological data and text about each Cenozoic sedimentary and volcanic geological unit to formation and member level (in some cases) exposed on land in New Zealand, including their lithology, stratigraphic age and inferred
Kamp, Peter J.J., Tayler, Michael J.S., Vincent, Kirsty A.   +2 more
core   +1 more source

Fracturing control method for deep volcanic rock gas reservoirs in Daqing exploration area

Petroleum Exploration and Development, 2009
Pores, cavities and fractures are well-developed in deep volcanic reservoirs. The simultaneous break and extension of multi-fractures in treatment caused early stage sand-block, low fracturing success ratios, small treatment scales, and bad stimulation ...
Zhang Guoliang, Lan Zhongxiao, Liu Peng
doaj   +1 more source

Effective mechanisms of water purification for nitrogen-modified attapulgite, volcanic rock, and combined exogenous microorganisms. [PDF]

Front Microbiol, 2022
Zheng Y, Wang Y, Yang X, Gao J, Xu G, Yuan J.   +5 more
europepmc   +1 more source

Main controlling factors and development patterns of high-quality igneous rock reservoirs in the mesozoic of the Qikou Sag

Frontiers in Earth Science
The Mesozoic volcanic reservoirs in Qiqikou Sag are complex and diverse. Identifying the characteristics and main controlling factors of high-quality volcanic reservoirs is the key to improve the reserves and production of oil and gas in this area.
Changwei Chen, Hongjun Li, Xiugang Pu, Haiyue Yuan, Xiaowei Dong, Feipeng Zhang, Lixin Fu, Yu Cui, Haodong Li   +8 more
doaj   +1 more source

Water-Rock Interaction Processes: A Local Scale Study on Arsenic Sources and Release Mechanisms from a Volcanic Rock Matrix. [PDF]

Toxics, 2022
Parrone D, Ghergo S, Preziosi E, Casentini B.   +3 more
europepmc   +1 more source

Volcanic Rock Materials for Defluoridation of Water in Fixed-Bed Column Systems. [PDF]

Molecules, 2021
Geleta WS, Alemayehu E, Lennartz B.
europepmc   +1 more source

Volcanic Rock in Russia [PDF]

Nature, 1967
Tufflavas and Ignimbrites A Survey of Soviet Studies. Edited by Earl F. Cook. Translated from the Russian by Miriam Carty. Pp. xii + 212. (New York: American Elsevier Publishing Company, Inc.; London: Elsevier Publishing Company, Ltd., 1966.) 60s.
openaire   +1 more source