Preliminary Results of Wildcat Drilling in Absaroka Volcanic Rocks, Hot Springs County, Wyoming: ABSTRACT

AAPG Bulletin ◽  
1986 ◽  
Vol 70 ◽  
Author(s):  
Mark H. Bailey, Kent A. Sundell
Keyword(s):  
Hot Springs ◽  
Volcanic Rocks ◽  
Preliminary Results

scholarly journals Nisyros Volcanic Island: A Geosite through a Tailored GIS Story

Geosciences ◽  
2021 ◽  
Vol 11 (3) ◽  
pp. 132
Author(s):  
Varvara Antoniou ◽  
Paraskevi Nomikou ◽  
Dimitrios Panousis ◽  
Effrosyni Zafeirakopoulou
Keyword(s):  
Spatial Data ◽  
Hot Springs ◽  
Volcanic Rocks ◽  
Data Communication ◽  
Aegean Sea ◽  
Volcanic Island ◽  
Eastern Aegean ◽  
Strongly Connected ◽  
Historical Heritage ◽  
Available Information

The volcanic island of Nisyros (Greece) is here presented as it presents unique characteristics being a Quaternary volcano in the eastern Aegean Sea, composed of volcanic rocks, and featuring a central caldera that is surrounded by volcanic domes and thick lavas. Its history is strongly connected to the volcano impressing the visitors with steaming hydrothermal craters, intensive smell of sulfur and fumarolic gases, and hot springs. Due to its morphology and geographical position, its cultural and historical heritage has been unchanged in time, bequeath to the island plenty of churches, monasteries with hagiographic frescoes, castles, caves, and spas. To present the geodiversity, the cultural environment, and the biodiversity of this geosite, a relatively new geographic approach was used, ESRI Story Maps. Being web-based applications, they are widespread as an interactive responsive tool used for spatial data communication and dissemination, by combining thematic 2D and 3D webmaps, narrative text, and multimedia content. Such applications can be an ideal way for presenting the available information of places characterized as geosites or protected areas worldwide, providing quick access to the available information to a broader, non-technical audience, developing the interest, and possibly motivating the public to learn more or visit them.

scholarly journals Analisa Geokimia Fluida Manifestasi Permukaan di Daerah Panas Bumi Lahendong

2020 ◽  
Vol 5 (1) ◽  
pp. 45
Author(s):  
Jeferson Polii ◽  
Alfrie Musa Rampengan
Keyword(s):  
Sulfuric Acid ◽  
Geothermal Energy ◽  
Hot Springs ◽  
Volcanic Rocks ◽  
North Sulawesi ◽  
Hot Air ◽  
Geothermal Potential ◽  
Acid Type ◽  
The Village ◽  
Plate Subduction

Geothermal energy depends on volcanic regions or plate subduction. Indonesia has geothermal potential due to the meeting of 3 (three) large plates. North Sulawesi is one of the areas located in the ring of fire. Some areas in the Minahasa Regency, North Sulawesi province, were targeted for research because they have manifestations of geothermal such as hot pools, steaming ground, mud pools, and other manifestations. The research location is divided into 3 (three) locations around the Lahendong geothermal area, namely the Lahendong pine forest, the Toraget hot air area, and the hot springs in the village of Totolan. The results of sample and ploting tests in ternary diagrams show that all three geothermal manifestations have sulfuric acid type fluids. This type of geothermal fluid has a high SO4 content, while HCO3 and Cl values ​​are low. Hot springs that have a type of sulfuric acid occur in active volcanic regions. This is supported by the lithology of three areas of manifestation which are composed of basalt resulting from volcanic rocks.

scholarly journals Mineralogy and geochemistry of rare earth elements in the Moyil Valley alteration zones, Meshkinshahr (northwest Iran)

Geologos ◽  
2020 ◽  
Vol 26 (3) ◽  
pp. 219-231
Author(s):  
Hossain Naseri ◽  
Mahnaz Jamadi ◽  
Kaikhosrov Radmard ◽  
Ghafour Alavi
Keyword(s):  
Rare Earth ◽  
Hot Springs ◽  
Volcanic Rocks ◽  
Hot Water ◽  
Complex Ions ◽  
Upward Migration ◽  
Alteration Zones ◽  
Mineralogical Study ◽  
Propylitic Alteration ◽  
Northwest Iran

Abstract Sabalan Mountain (northwest Iran) witnessed intense volcanic activity during the Cenozoic (Plio-Pleistocene). The result of this manifests itself in the conical geometry of the Sabalan stratovolcano and ahigh hydrothermal gradient around it, which can be detected by geological phenomena such as hot springs, smoke gases and steam outlet pores. The high hydrothermal slope and upward migration of hot water in this area have caused extensive alteration zones in the host rocks. A mineralogical study of alteration zones in thewells drilled in the Moyil Valley to the northwest of Sabalan Mountain has revealed the presence of phyllic, argillic, calcitic and propylitic alterations in volcanic rocks (trachyandesite) and alteration phyllic and propylitic ones in monzonite rocks. In chondrite-normalised rare-earth-element diagrams, trachyandesite rocks exhibit an HREEs enrichment when compared to MREEs and LREEs in propylitic and calcitic alteration zones. This result can be explained by the acidic nature of hydrothermal fluids containing complex ions such as (SO-2, Cl-). The (La/Yb)cn, (La/Sm)cn and (Tb/Yb)cn ratios for argillic, phyllic, propylitic and calcitic alteration zones have revealed that they are higher in fresh rocks compared to altered rocks, suggesting the enrichment of HREEs in comparison to LREEs and MREEs. The anomalies of Eu do not change remarkably in the argillic and propylitic alteration zones of trachyandesite rocks; apparently, alteration hadno effect on them. Such behaviour reflects the presence of gold cations in Eu+3 formed at temperatures below 250°C. Eu anomalies increased in propylitic alteration zones in monzonite rocks and calciticand phyllic alteration zones in trachyandesiterocks.

External Micro-PIXE Measurements: Preliminary Results on Volcanic Rocks from Nyiragongo Volcano

2006 ◽  
Vol 155 (1-2) ◽  
pp. 263-267 ◽  
Author(s):  
Alba P. Santo ◽  
Mariaelena Fedi ◽  
Lorenzo Giuntini ◽  
Pier Andrea Mandò ◽  
Mirko Massi ◽  
...  
Keyword(s):  
Volcanic Rocks ◽  
Preliminary Results ◽  
Nyiragongo Volcano

scholarly journals Studying to use volcanic ashes and felsic volcanic rocks in Vietnam teritory as the treatment materials for environment pollution – preliminary results

2018 ◽  
Vol 2 (1) ◽  
pp. 29-36
Author(s):  
Keyword(s):  
Volcanic Rocks ◽  
Viet Nam ◽  
Environment Pollution ◽  
Late Mesozoic ◽  
Preliminary Results ◽  
Sample Heating ◽  
Volcanic Ashes ◽  
Felsic Volcanic ◽  
Northwest Region ◽  
Felsic Volcanic Rocks

The felsic volcanic rocks and tuff aged from Late Mesozoic to Kainozoic occur in many places in Viet Nam Territory, such as Tu Le area (in Northwest Region), Binh Gia area, Binh Lieu area (Northest Reigion), Nha Trang area, Dalat area (Central Region). The mafic volcanic ashes aged from Late Neogen to Quarternary distribute in central part of Vietnam such ash Con Co Island, Van Hoa High land. The samples of the tuff rock of Don Duong Stratum collected from field trip in Da Lat area have been treated (burned) at 650oC, 750oC, 900oC. The experimental results show that these materials, after treatment (heating in funace at the temperature 650oC, 750oC and 900oC) expressed absortion capacity up to 90% of selected organic matters (MO, MD) and heavy Metal (Pb2+) in the testing solutions. Among them, the sample heating at 900oC is the best material for Pb2+ absorption. The preliminary results show that the volcalnic felsic rocks and volcanic ashes in Viet Nam, after suitable treatments, can be used as an enviroment treatment materials.

scholarly journals NEW LOWER PALEOLITHIC LOCALITY SKHIDNYTSYA II IN NORTH-EASTERN PART OF BESKID MOUNTAINS (PRELIMINARY RESULTS OF RESEARCHES)

2018 ◽  
Vol 22 ◽  
pp. 223-235
Author(s):  
Mykola BANDRIVSKYI ◽  
Roman GNATYUK ◽  
Vadym STEPANCHUK
Keyword(s):  
Raw Materials ◽  
Volcanic Rocks ◽  
Raw Material ◽  
Lower Paleolithic ◽  
Stone Artifacts ◽  
Preliminary Results ◽  
Eastern Carpathians ◽  
North Eastern ◽  
New Location ◽  
North Eastern Part

The article presents preliminary results of research carried out in 2018 near Skhidnytsya (Eastern Carpathians), where series of Paleolithic stone artifacts was found in slope Holocene deposits. According to technical and morphological indicators, these materials can be defined as belonging to Lower Paleolithic. Finding of new location of materials with Lower Paleolithic features on the outskirts of Skhidnytsia, again actualize results of researches, carried out by O. Chernysh in the area of this village during late 1980s – early 1990s. Recently discovered location of stone artifacts Skhidnitsya II is interesting and potentially important for the study of series of issues related to research of possible ways of settling of ancient communities. Although examination of sites has just begun, the following conclusions can be made. Technical and typological features of collection of tools make it possible to determine preliminary Skhidnytsya II as belonging to group of pebble industries, which in the western part of Eastern Europe are now dated back to 0,4–1,2 million years ago. According to available mediated data, chronological position of Skhidnytsya II tends to the first half – lower limit of mentioned interval. Volcanic rock was a raw material for production of some artifacts.Their outcrops are probably located in the area of Vihorlat-Gutin volcanic strata. Detected evidences of remote transportation of raw materials clearly indicate potential importance of materials from Skhidnitsya II for discussion of the time and ways of penetration of the Lower Paleolithic population to the territory of Europe. Key words: Lower Paleolithic, stone artifacts, pebble industry, volcanic rocks.

scholarly journals Opening and evolution of the South China Sea constrained by studies on volcanic rocks: Preliminary results and a research design

2011 ◽  
Vol 57 (24) ◽  
pp. 3150-3164 ◽  
Author(s):  
YiGang Xu ◽  
JingXian Wei ◽  
HuaNing Qiu ◽  
HuiHuang Zhang ◽  
XiaoLong Huang
Keyword(s):  
South China Sea ◽  
Research Design ◽  
South China ◽  
Volcanic Rocks ◽  
The South China Sea ◽  
The South ◽  
Preliminary Results ◽  
China Sea

scholarly journals Physical-Chemical Characterization and Mineralogic Analysis of Hydrothermal Systems Located in the Coconuco and the San Juan Sectors in Cauca, Colombia

Geofluids ◽  
2019 ◽  
Vol 2019 ◽  
pp. 1-19
Author(s):  
Darwin Augusto Torres-Ceron ◽  
Carlos Daniel Acosta-Medina ◽  
Elisabeth Restrepo-Parra
Keyword(s):  
Hot Springs ◽  
Major Ions ◽  
Hot Spring ◽  
Volcanic Rocks ◽  
Chemical Characterization ◽  
Hydrothermal Systems ◽  
San Juan ◽  
Low Concentrations ◽  
Agricultural Applications

Hot springs of the volcanic zones are characterized for having high sulfur content in the form of sulphate and other ions resulting from chemical reactions. Sources with these types of elements are of great interest for the tourism and geothermal industry because of their highlighted properties which include therapeutic treatments, relaxation baths, agricultural applications, and preservation of flora and fauna among others. For these reasons, research oriented to carry out the characterization of these factors is of great importance to determine the availability of places with such characteristics. This work shows the characterization of 17 hot spring sources located in the Coconuco and San Juan sectors (Cauca, Colombia, South America). Water samples were taken in May 2017, and laboratory analyses were carried out by the Water Laboratory at Universidad Nacional de Colombia-Manizales, based on the Standard Methods (APHA-AWWA-WEF). Rock samples were taken in November 2017, and laboratory analyses were carried out by the GMAS+ Laboratory (Bogotá, Colombia). The Piper, Stiff, and ternary (Giggenbach) diagrams were used for the classification of major ions. Mineralogy composition was determined through XRD and XRF. Results indicate that most sources are of the sulphated type according to the anions and of the calcium type according to the cations. In concordance with Giggenbach diagrams, most of the sources are immature waters and, despite their interaction with rocks, they have not achieved the equilibrium. Likewise, these sources are of heated vapor type and, considering that they consist of sulphated acid sources, it is not possible to evaluate the reservoir temperatures from Na/K cations. The low Ca2+/Mg2+ ratio in the sources indicates the lack of direct migration of fluids and the high content of Ca2+ and Mg2+ regarding Na+ and K+, which suggests that fluids possibly are mixed with cold waters rich in Ca2+ and Mg2+. From the mineralogic characterization, it was observed that volcanic rocks are composed of cristobalite and albite with TiO2, Fe2O3, and CaO traces and mineral sulfur. Metals like Cr, considered in this case as contaminants, are found in low concentrations in rocks and are not detected in these waters.

scholarly journals Magnetotelluric Imaging of the Zhangzhou Basin Geothermal Zone, Southeastern China

Energies ◽  
2018 ◽  
Vol 11 (8) ◽  
pp. 2170 ◽  
Author(s):  
Chaofeng Wu ◽  
Xiangyun Hu ◽  
Guiling Wang ◽  
Yufei Xi ◽  
Wenjing Lin ◽  
...  
Keyword(s):  
Hot Springs ◽  
Volcanic Rocks ◽  
High Resistivity ◽  
Southeastern China ◽  
Geothermal Resources ◽  
Higher Temperature ◽  
Reference Processing ◽  
A Site ◽  
Processing Techniques ◽  
Magnetotelluric Imaging

The geothermal zone of southeast China, which is one of the country’s known geothermal zones, contains significant natural geothermal resources. To understand the formation of geothermal resources, a magnetotelluric (MT) investigation with a site spacing of 1–2 km was carried out around the Zhangzhou Basin. The recorded MT data were processed by robust time series and remote reference processing techniques. The data analysis results revealed that two-dimensional (2-D) modeling can be used to approximately determine the electrical structure. The joint inversions of TE and TM modes have been performed after distortion decomposition. In the inversion models, a low resistivity cap of 200–800 m thickness was observed, which represented the blanketing sediments composed of Quaternary and volcanic rocks of the late Jurassic period. The presence of high resistivity above a depth of 20 km indicates the granites are widely developed in the upper and middle crust. MT measurements have revealed some deep-seated high conductive zones, which were inferred to be partially melting at depth of 8–17 km, which is likely to be reason behind the formation of higher-temperature hot springs. The results also show that there is a shallower Moho, which indicates that the heat from the upper mantle may have a big contribution to the surface heat flow. Fractures-controlled meteoric fluid circulation is the most likely explanation for the hot springs.

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