Hydrothermal breccias usually form at shallow crustal levels (< 1 km ) between 150 to 350 < sup > o </ sup > C, when seismic activity ( an earthquake ) causes a void to open along a fault deep underground.

Hydrothermal activity can be observed at Lucrino, Agnano and the town of Pozzuoli.

* Nautilocaris saintlaurentae – North Fiji Basin, White Lady Hydrothermal vent site,, at a depth of ; morphologically intermediate between the genera Mirocaris and Alvinocaris.

Hydrothermal synthetic emeralds have been attributed to IG Farben, Nacken, Tairus, and others, but the first satisfactory commercial product was that of Johann Lechleitner of Innsbruck, Austria, which appeared on the market in the 1960s.

Hydrothermal vents along the mid-ocean ridge spreading centers act as oases, as do their opposites, cold seeps.

Hydrothermal activity has altered many rocks in the caldera, transforming them into travertine and clay.

Hydrothermal currents created by volcanoes under the atoll may also play an important role.

Hydrothermal breccia, Cloghleagh Iron Mine, near Blessington in Ireland, composed mainly of quartz and psilomelane | manganese oxides, the result of seismic activity about 12 million years ago.

Hydrothermal breccias are usually formed by hydrofracturing of rocks by highly pressured hydrothermal fluids.

Hydrothermal circulation is generally thought to be required in the formation of jasper.

Hydrothermal resources are still present, with a number of hot and warm springs.

Hydrothermal metamorphism is the result of the interaction of a rock with a high-temperature fluid of variable composition.

Thermal depolymerisation is similar to other processes which use superheated water as a major step to produce fuels, such as direct Hydrothermal Liquefaction.

Hydrothermal mineralizing fluids formed the rich lead ore deposits of the Lead Belt during this time.

Hydrothermal circulation in its most general sense is the circulation of hot water ; ' hydros ' in the Greek meaning water and ' thermos ' meaning heat.

Hydrothermal circulation occurs most often in the vicinity of sources of heat within the Earth's crust.

Hydrothermal circulation in the oceans is the passage of the water through mid-oceanic ridge systems.

Hydrothermal vents are locations on the seafloor where hydrothermal fluids mix into the overlying ocean.

Hydrothermal circulation is not limited to ocean ridge environments.

Hydrothermal circulating convection cells exist any place an anomalous source of heat, such as an intruding magma or volcanic vent, comes into contact with the groundwater system.

Hydrothermal also refers to the transport and circulation of water within the deep crust, generally from areas of hot rocks to areas of cooler rocks.

Hydrothermal circulation, particularly in the deep crust, is a primary cause of mineral deposit formation and a cornerstone of most theories on ore genesis.

Hydrothermal vents are commonly found near volcanically active places, areas where tectonic plates are moving apart, ocean basins, and hotspots.

Hydrothermal vents exist because the earth is both geologically active and has large amounts of water on its surface and within its crust.

Hydrothermal vents in the deep ocean typically form along the Mid-ocean ridges, such as the East Pacific Rise and the Mid-Atlantic Ridge.

Sister Peak ( Comfortless Cove Hydrothermal Field,, elevation-2996 m ), Shrimp Farm and Mephisto ( Red Lion Hydrothermal Field,, elevation-3047 m ), are three hydrothermal vents of the black smoker category, located on the Mid-Atlantic Ridge near Ascension Island.

Finally with the arrival of Paranormal Activity ( 2009 ), which was well received by critics and an excellent reception at the box office, minimal thought started by The Blair Witch Project was reaffirmed and is expected to be continued successfully in other low-budget productions.

* Structure Activity Relationships " Antibacterial Agents ; Structure Activity Relationships ", André Bryskier MD ; beginning at pp143

During his time at the archives, Steiner wrote Die Philosophie der Freiheit ( The Philosophy of Freedom or The Philosophy of Spiritual Activity — Steiner's preferred English title ) ( 1894 ), an exploration of epistemology and ethics that suggested a path upon which humans can become spiritually free beings.

* Palmer, Richard E., " The Relevance of Gadamer's Philosophical Hermeneutics to Thirty-Six Topics or Fields of Human Activity ", Lecture Delivered at the Department of Philosophy, Southern Illinois University, Carbondale, IL, 1 April 1999, Eprint

The Student Government Association ( SGA ) is the voice of the students, as well as the sole governing body over the Student Activity Fund and student organizations at the university,.

Activity in Europe and elsewhere continued until the close of the 18th century, when the number of Capuchin friars was estimated at 31, 000.

Recreation and cultural services include the Palmdale City Library, Legacy Commons, Larry Chimbole Cultural Center, Palmdale Playhouse and Art Gallery, Dry Town Water Park, Palmdale Amphitheater, Best of the West Softball Complex, Hammack Activity Center, Palmdale Oasis Park Recreation Center, Marie Kerr Park Recreation Center, Joe Davies Heritage Airpark at Palmdale Plant 42, and four swimming pools.

Edgewood Chemical Activity is a chemical-weapons depot located at APG.

TIA's two core projects are now operated by Advanced Research and Development Activity ( ARDA ) located among the 60-odd buildings of " Crypto City " at NSA headquarters in Fort Meade, MD.

* Washington Headquarters Services, a U. S. DoD Field Activity, located at The Pentagon

The United States Navy employs Gurkha guards as sentries at its base in Naval Support Activity Bahrain and on the US Navy side of the pier at Mina Salaman.

The event took place at the National Diving and Activity Centre ( NDAC ) near Chepstow, Gloucestershire, UK and was organised by members of the Yorkshire Divers internet forum.

Each ANS also featured special " chase cards " randomly inserted in packs ; for example, Foil Cards show characters from the original series ( with modified artwork due to the lawsuit ), Scratch ' n Stink cards, Collectible Card Game cards, Temporary Tattoos, 3D Pop-Up cards, Alphabet cards, Activity cards, Magnets, lenticular Loco Motion cards, and die-cut Jigsaw Puzzle cards, along with special bonus cards available only at participating retailers in either " bonus boxes " or rack-packs ; these bonus stickers were the first cards not to have a twin set.

As well as its own attractions, including the castle, the town is close to other attractions including the Royal Forest of Dean, Tintern Abbey and the Wye Valley, the Marriott St Pierre Hotel and Country Club, and the National Diving and Activity Centre at Tidenham.

* The California Army National Guard maintains an Aviation Classification Repair Activity Depot ( AVCRAD ) at the airport.

Activity declined greatly after Gerry Fitt, then the party's sole Stormont MP, left the party to form the Republican Labour Party in 1964, with the party's last known contest being two seats on Newry and Mourne District Council at the 1973 local elections.

Veneman serves as a co-leader of the Nutrition and Physical Activity Initiative at the Bipartisan Policy Center.

Former units include the U. S. Army Chemical Activity, Pacific, at Johnston Atoll, which traced some of its history to the 267th Chemical Company and the Project 112 biological warfare defense experiments.

Leavitt serves as a co-leader of the Nutrition and Physical Activity Initiative at the Bipartisan Policy Center.

The renewed activity in October 1999 produced major ashfall and led to the temporary evacuation of more than 25, 000 inhabitants from Baños and the surrounding area Activity continued at a medium level until May 2006, when activity increased dramatically, culminating in violent eruptions on 14 July 2006 and 16 August 2006.

* Piccinini, Gualtiero, " The First Computational Theory of Mind and Brain: A Close Look at McCulloch and Pitts's ' Logical Calculus of Ideas Immanent in Nervous Activity '", Synthese 141: 175 – 215, 2004.

The Sixth Fleet is headquartered at Naval Support Activity Naples, Italy.

The staff as a whole is known as Commander, Naval Forces Europe-Africa / Commander, U. S. 6th Fleet or CNE-CNA / C6F and works from its facilities at Naval Support Activity Naples at the Capodichino site in Naples, Italy.