How to use hydrothermal in a sentence

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Sentence Examples A thermal plume in the northwest part of the lake indicates underlying subaerial fumarolic or hydrothermal activity. Some of the salt in the oceans comes from undersea volcanoes and hydrothermal vents. We have detected signals indicative of hydrothermal activity in several areas, including both basins. The purpose of the journey was to observe the life that masses around hydrothermal vents or black smokers. Orpiment is most frequently encountered in epithermal hydrothermal settings such as veins, hot springs, fumaroles. Realgar is most frequently encountered in epithermal hydrothermal settings such as shallow veins, hot springs, and fumaroles. I am talking about a series of hydrothermal vents on the floor of the deep ocean. In the dark ocean depths, kilometers beneath the waves, scalding water spews from hydrothermal vents as it has for billions of years. One example is the current quest to identify deep-sea hydrothermal vents within the Arctic Ocean. The unusual composition of the lava is reflected in the chemistry of the water coming through the hydrothermal vents. It has even been identified in deep-sea hydrothermal vents on the eastern Pacific Ocean floor. Reduced metals and sulphides are also a major source of energy for bacterial communities at hydrothermal vents at ocean ridges. It has been found that seeps have lower temperatures and lower flow rates than hydrothermal vents. Earth's caves and deep ocean hydrothermal vents sustain rain forest-like biodiversity without the benefit of sunlight. The hydrothermal fluid introduced only small amounts of water and alkali elements. There aren't any chemical signs that the recent warming stems from increased undersea hydrothermal activity in the region, says Freeland. It contains structures called hydrothermal vents, which spew superheated fluids into the seawater. Some scientists lump ocean water with meteoric, whereas others regard it as a separate type of water in hydrothermal systems. Vein gold is deposited by hot subterranean water known as a hydrothermal fluid. Upward migration of heated hydrothermal fluids along fault planes may have been aided by seismic pumping. Show More Sentences Because hydrothermal water is rich in certain metals, like manganese, an increase in the concentration in a sample can point to a vent. A recent survey along a midocean ridge beneath the Arctic icepack unveiled an unexpected abundance of hydrothermal activity. Alpine-cleft deposits develop in an existing open gash in which hydrothermal fluid infiltrates and recrystallizes the surrounding rock. A large body of magma, capped by a hydrothermal system, still exists beneath the caldera. It likely exists as a hydrothermal alteration product of aluminous materials. She wonders how the larvae of animals that live in hydrothermal vents get from one vent to another. In our research unit, the zeolitic and mesoporous materials are synthesized mainly via hydrothermal method. From Pliocene time the shallow emplacement of intrusive bodies resulted in thermal metamorphism and hydrothermal activity. In the crystallization sequence from hydrothermal solutions, calcite is typically a late and low-temperature crystallizing mineral. This can be due to increasing confining pressure, tectonic stress in impervious sediments or hydrothermal activity. On Earth, microbes can derive energy from sources other than the sun, such as chemical and geothermal energy from hydrothermal vents. Unlike typical ocean hot spots, such as hydrothermal vents, the Gorda Escarpment has unique properties which benefit egg development. There is abundant evidence for a significant and important influence of hydrothermal fluids on element mobility in the aureole. It was only when the vent chemosynthetic ecosystems were discovered that the importance of hydrothermal vents was globally acknowledged. Also, in some areas they receive hydrothermal magmatic waters from the subsurface. Divers using submersible vehicles were about a mile and a half below the surface when they spotted the animal near hydrothermal vents. They were deposited by a hydrothermal vein cutting granite, which was later eroded exposing surface ore. This results in boiling and separation of a hydrothermal fluid from the magma. Radioactive dating of the melts and the hydrothermal deposits indicates the Sudbury impact occurred about 1.85 billion years ago. During and after the exhumation, the lherzolites underwent hydrothermal alteration and serpentinized at relatively low temperature. Show More Sentences Seep communities are also based on microbial chemosynthetic primary production and share a few species and many genera with hydrothermal vent communities. The succession has experienced both a low temperature, but relatively high-pressure, regional metamorphism and a phase of earlier hydrothermal metamorphism. Perhaps the hydrothermal activity served as the impetus for the enhancement of coal rank from lignite or subbituminous to high volatile A bituminous. These are the finest ultrastructure details thus far found in microbes preserved by hydrothermal mineralization, and can be used as an aid to identify microfossils. The hydrothermal system created by the Sudbury impact also dissolved minerals containing copper and other metals from a broad area and then concentrated them in rich veins. One of the most conspicuous groups of animals living in deep-sea chemosynthetic communities at hydrothermal vents are large vestimentiferan tube worms. The spinels have low Mg number in comparison with Alpine-type peridotites, suggesting hydrothermal alteration in which Cr is preferentially retained in spinel. A Devonian CRM is interpreted to be related to hydrothermal fluids associated with Devonian volcanic rocks or to fluids triggered by late stages of the Caledonian orogeny. The circulation of fluids that forms this new class of hydrothermal vents is driven by heat generated when seawater reacts with mantle rocks, not by volcanic heat. For example, the discovery of hydrothermal vents in the 1970s offered a clear proof of significant dynamic connections between the lithosphere, hydrosphere and biosphere. Rapid ascent of hydrothermal fluids derived from shallow-metamorphic and deep-burial diagenetic settings is well known from many sedimentary basins. The original minerals in these rocks have been altered to new minerals by chemical replacement through interaction with the ore-forming hydrothermal fluids. Bulgaria is famous around the world for the uniqueness, variety and abundance of its hydrothermal, bioclimatic, mud treatment, sea cure, and other health resources. The chemical nature of these hydrothermal solutions was determined by the composition of the basalt, the length of contact with the basalt, and the temperature. The circulation of fluids that forms this new class of hydrothermal vents apparently is driven by heat generated when seawater reacts with mantle rocks, not by volcanic heat. The most well-known biological hot spots are hydrothermal vents, which spew black, mineral-enriched, scalding water from deep beneath the Earth's crust. That raises the tantalizing possibility that life on Earth began at such hydrothermal vents in the early ocean, rather than in shallow waters at Earth's surface. When scientists last month tried to revisit an undersea hydrothermal vent that was first discovered nearly a quarter of a century ago, they were in for a shock. Early-stage hydrothermal leaching of the limestone created solution cavities and brecciated zones along the fissures and faults, providing sites for subsequent ore deposition. Rhodonite is found as a gangue mineral in hydrothermal silver veins cutting volcanic rocks in the Pacocollo, Carangas, and Todos Santos areas, Bolivia. Show More Sentences This fault system was the main conduit for upward moving hydrothermal fluids that debouched at the surface as hot springs and from which the cherts were precipitated. Evidently, the wealth of minerals found at Brumado is related to the intrusion of igneous dikes and subsequent associated hydrothermal mineralization. Besides geological samples have biological samples and hydrothermal fluids are sampled from active outlets. A rare but important terrain feature found in the abyssal and hadal zones is the hydrothermal vent. At the bottom of ocean basins, often near sites of volcanic or tectonic activity, these hydrothermal vents emit geothermally heated seawater. The gill symbiont of the hydrothermal vent mussel Bathymodiolus thermophilus is a psychrophilic, chemoautotrophic, sulfur bacterium. These communities receive much less attention than the chemosynthetic communities associated with hydrothermal vents. The hydrothermal alteration of the samples varies from literally fresh rocks to true greenschist facies rocks. In shear zones, after penetration of carbon oxide rich hydrothermal solutions, the Serpentinized Magnesium silicates create Magnesium carbonate. Many seamounts also have hydrothermal vent communities, for example Suiyo and Loihi seamounts. In 2016, UK researchers from Southampton University identified six new animal species at hydrothermal vents beneath the Indian Ocean. In the deep sea, food chains centered on hydrothermal vents and cold seeps exist in the absence of sunlight. Exceptions include some pit lakes and waters from some hydrothermal springs. Petrological studies show potassic metasomatism and localised hydrothermal alteration within the granitic host rocks. Marine life is abundant in the deep sea, especially around hydrothermal vents. This finding is the first evidence of active hydrothermal vents beyond the oceans of Earth. Ballard said his most important find were the hydrothermal vents on which microorganisms were created. Late stage hydrothermal mineralisation has filled the joints with pectolite. The chemistry of fumarolic vapor and thermal spring discharges from the Nevado del Ruiz volcanic magmatic hydrothermal system, Colombia. The base of a lava flow may show evidence of hydrothermal activity if the lava flowed across moist or wet substrates. Show More Sentences Later, from 1965 to 1970, the Linde Division of Union Carbide produced completely synthetic emeralds by hydrothermal synthesis. In addition to the weathering process, some clay minerals are formed through hydrothermal activity. The benthic species are attracted to structural oases, such as hydrothermal vents, cold seeps, and shipwrecks. Other examples of aquatic fungi include those living in hydrothermal areas of the ocean. The fan is the site of hydrothermal vents with their own sub ecosystems independent of sunlight. Mineralization is comprised of pyrite, galena, sphalerite, sulphosalts and chalcopyrite hosted in a hydrothermal breccia matrix. A subsidiary of AVA-CO2, AVA Biochem's new, innovative production process for 5-HMF is based on a modified version of the hydrothermal carbonisation process. In some way, not clearly understood, hydrothermal action metasomatizes the original andesite without destroying original textures or changing volumes. This 480m zone of alteration is characterised by silicification, carbonation, veining and brecciation indicating an extensive mineralised hydrothermal system. Some species live in the coldest ocean temperatures of the hadal zone, while others can be found in the extremely hot waters adjacent to hydrothermal vents. Copper-gold mineralisation is associated with a hydrothermal breccia, with occasional, rare intersections outside the main areas of hydrothermal brecciation. A ubiquitous thermoacidophilic archaeon from deep-sea hydrothermal vents. Located on the opposite side of an expansive abyssal plain from Wally's lair, the ridge hosts a hydrothermal hotbed of volcanic vents called black smokers. Furthermore, changes in continental weathering and riverine contributions to the oceans may also be linked with climate, and hydrothermal inputs vary with tectonism. Tin is smelted from cassiterite, a mineral found in hydrothermal veins in granite, and the uplands of Dartmoor, in Devon, England, were a particularly productive area. Some species have colonized abyssal depths near hydrothermal vents. And in actual fact, the difference between Northparkes and Mount Adrah is the oxidation state of the magma responsible for the generation of the hydrothermal system. Chemoautotrophic microbes have been found in deep-ocean sediments and at hydrothermal vents, where hot water flows out through newly formed volcanic rock at mid-ocean ridges. In the March 11 NATURE, they describe shrimp with chalky-white eyes, indicating degraded photopigments, at two fields of hydrothermal vents on the Atlantic seabed. The known mineralization is associated with quartz monzonite intrusions, which typically show a magnetic low response from hydrothermal destruction of magnetite. Show More Sentences Most samples indicated widespread hydrothermal alteration consisting of argillic and potassic alteration and the formation of extensive quartz breccias. Within the abyssal and hadal zones, the areas around submarine hydrothermal vents and cold seeps have by far the greatest biomass and biodiversity per unit area. Psychrophiles, or organisms that live in extreme cold, were found, along with heat-loving thermophiles, which suggests the presence of hydrothermal vents deep in the lake. Examples from Classical Literature These occurrences are generally held to be due to hydrothermal or geyser action. From the weight of the subject and this factor the hydrothermal equivalent of the body can be calculated. Such corrections are impossible unless a proper determination of the hydrothermal equivalent has been made. In other words, the determination of the hydrothermal equivalent is essential. By means of the electrical check experiments, however, a method for determining the hydrothermal equivalent is at hand. Company geologists report mineralization comprises quartz veins and hydrothermal breccias with multistage silica veining plus barite. Find more words! 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What is the adjective for hydrothermal? What is the noun for hydrothermal? Use our Sentence Generator Nearby Words hydrotherapy hydrotherapist hydrotherapies hydrosulphuric hydrosulphite hydrostatics hydrothermally hydrothermal vent hydrothorax hydrotropic hydrotropism hydrous 12-letter Words Starting With h hy hyd hydr hydro hydrot hydroth hydrothe hydrother hydrotherm hydrotherma