Tolenas Springs
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Tolenas Springs
Tolenas Springs is a group of natural carbonated-water soda springs in the hills of Solano County, California, United States. The springs emerge from a formation of travertine that has been intermittently quarried for building material. The springs are located on private property and are closed to the public. History The springs are located near the source of Soda Springs Creek "on the east and south slopes of the Vaca Mountains. Travertine and onyx have been deposited here upon the sandstone and shale of the Knoxville formation; carbonated saline water issues from and near these deposits. The principal orifice is about 1000 feet west of the main body of travertine, at a pit sunk in a small deposit of onyx." The Tolenas springs were used by the Patwin people and their Paleo-Indian predecessors; there are a number of bedrock mortars and rock cupules at the site that serve as evidence of their past presence. An account recorded in 1963 had it that "Indians camped up ther ...
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Fairfield, California
Fairfield is a city in and the county seat of Solano County, California, in the North Bay sub-region of the San Francisco Bay Area. It is generally considered the midpoint between the cities of San Francisco and Sacramento, approximately from the city center of each city, approximately from the city center of Oakland, less than from Napa Valley, from the Carquinez Bridge, and from the Benicia Bridge. Fairfield was founded in 1856 by clippership captain Robert H. Waterman, and named after his former hometown of Fairfield, Connecticut. It is the home of Travis Air Force Base and the headquarters of Jelly Belly. With a population of 119,881 at the 2020 census, it is slightly smaller in population than Vallejo. Other nearby cities include Suisun City, Vacaville, Rio Vista, Benicia, and Napa. Geography According to the United States Census Bureau, the city has a total area of , of which, of it is land and of it is water. The total area is 5.65% water. The city is ...
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Iron Oxide
Iron oxides are chemical compounds composed of iron and oxygen. Several iron oxides are recognized. All are black magnetic solids. Often they are non-stoichiometric. Oxyhydroxides are a related class of compounds, perhaps the best known of which is rust. Iron oxides and oxyhydroxides are widespread in nature and play an important role in many geological and biological processes. They are used as iron ores, pigments, catalysts, and in thermite, and occur in hemoglobin. Iron oxides are inexpensive and durable pigments in paints, coatings and colored concretes. Colors commonly available are in the "earthy" end of the yellow/orange/red/brown/black range. When used as a food coloring, it has E number E172. Stoichiometries Iron oxides feature as ferrous ( Fe(II)) or ferric ( Fe(III)) or both. They adopt octahedral or tetrahedral coordination geometry. Only a few oxides are significant at the earth's surface, particularly wüstite, magnetite, and hematite. * Oxides of FeII ...
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Gas Holder
A gas holder or gasholder, also known as a gasometer, is a large container in which natural gas or town gas is stored near atmospheric pressure at ambient temperatures. The volume of the container follows the quantity of stored gas, with pressure coming from the weight of a movable cap. Typical volumes for large gas holders are about , with diameter structures. Gas holders now tend to be used for balancing purposes to ensure that gas pipes can be operated within a safe range of pressures, rather than for actually storing gas for later use. Etymology Antoine Lavoisier devised the first gas holder, which he called a ''gazomètre'', to assist his work in pneumatic chemistry. It enabled him to weigh the gas in a pneumatic trough with the precision he required. He published his ''Traité Élémentaire de Chimie'' in 1789. James Watt Junior collaborated with Thomas Beddoes in constructing the pneumatic apparatus, a shortlived piece of medical equipment that incorporated a ''gazo ...
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Sodium Chloride
Sodium chloride , commonly known as salt (although sea salt also contains other chemical salts), is an ionic compound with the chemical formula NaCl, representing a 1:1 ratio of sodium and chloride ions. With molar masses of 22.99 and 35.45 g/mol respectively, 100 g of NaCl contains 39.34 g Na and 60.66 g Cl. Sodium chloride is the salt most responsible for the salinity of seawater and of the extracellular fluid of many multicellular organisms. In its edible form, salt (also known as ''table salt'') is commonly used as a condiment and food preservative. Large quantities of sodium chloride are used in many industrial processes, and it is a major source of sodium and chlorine compounds used as feedstocks for further chemical syntheses. Another major application of sodium chloride is de-icing of roadways in sub-freezing weather. Uses In addition to the familiar domestic uses of salt, more dominant applications of the approximately 250 million tonnes per year production (2008 ...
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Calcareous Sinter
Calcareous sinter is a freshwater calcium carbonate deposit, also known as calc-sinter. Deposits are characterised by low porosity and well-developed lamination, often forming crusts or sedimentary rock layers. Calcareous sinter should not be confused with siliceous sinter, which the term sinter more frequently refers to. It has been suggested that the term "sinter" should be restricted to siliceous spring deposits and be dropped for calcareous deposits entirely. Features Calcareous sinter is characterised by laminations of prismatic crystals growing perpendicular to the substrate; laminations are separated by thin layers of microcrystalline carbonate. Calcareous sinter is porous due to the calcareous crystals enclosing many small cavities. Macrophytes are absent, consequently porosity is very low. Exclusion of species is due either to high temperature (travertine), high pH/ ionic strength (tufa) or absence of light (speleothems). Pedley (1990) suggests the term be abandoned in ...
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Aragonite
Aragonite is a carbonate mineral, one of the three most common naturally occurring crystal forms of calcium carbonate, (the other forms being the minerals calcite and vaterite). It is formed by biological and physical processes, including precipitation from marine and freshwater environments. The crystal lattice of aragonite differs from that of calcite, resulting in a different crystal shape, an orthorhombic crystal system with acicular crystal. Repeated twinning results in pseudo-hexagonal forms. Aragonite may be columnar or fibrous, occasionally in branching helictitic forms called ''flos-ferri'' ("flowers of iron") from their association with the ores at the Carinthian iron mines. Occurrence The type location for aragonite is Molina de Aragón in the Province of Guadalajara in Castilla-La Mancha, Spain, for which it was named in 1797. Aragonite is found in this locality as cyclic twins inside gypsum and marls of the Keuper facies of the Triassic. This type of arago ...
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Solano County Board Of Supervisors
Solano may refer to: Places * California State Prison, Solano * San Francisco Solano, a town in Almirante Brown Partido, Argentina * Solano Avenue, a street in Berkeley and Albany, California, in the United States * Solano castle, a colonial castle in Puerto Cabello, Venezuela * Solano County, California, in the United States * Solano, Caquetá, Colombia * Solano, Chiriquí, a ''corregimiento'' in Bugaba District, Panama * Solano, New Mexico * Solano, Nueva Vizcaya, a municipality in the Philippines People * Solano (surname) * Chief Solano Sem-Yeto () was a leader of the Suisunes, a Patwin people of the Suisun Bay region of northern California. Baptized as Francisco Solano and also known as Chief Solano, he was a notable Native American leader in Alta California because of his a ... (1798–1851), American Indian leader * Solano (people), a people on the Texas-Coahuila border between the United States and Mexico ** Solano language, a little-known extinct language spoken b ...
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Tufa
Tufa is a variety of limestone formed when carbonate minerals precipitate out of water in unheated rivers or lakes. Geothermally heated hot springs sometimes produce similar (but less porous) carbonate deposits, which are known as travertine. Tufa is sometimes referred to as (meteogene) travertine. It should not be confused with hot spring (thermogene) travertine. Tufa, which is calcareous, should also not be confused with tuff, a porous volcanic rock with a similar etymology that is sometimes also called "tufa". Classification and features Modern and fossil tufa deposits abound with wetland plants; as such, many tufa deposits are characterised by their large macrobiological component, and are highly porous. Tufa forms either in fluvial channels or in lacustrine environments. Ford and Pedley (1996) provide a review of tufa systems worldwide. Fluvial deposits Deposits can be classified by their depositional environment (or otherwise by vegetation or petrographically). Pedle ...
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Suisun Valley AVA
The Suisun Valley AVA is an American Viticultural Area in Solano County, California, located just east of the Napa Valley wine region in the Coast Range. It was established as a wine appellation on 27 December 1982, making it among the first AVAs of California (eighteenth overall), Napa Valley being the first. Geography Suisun Valley is a region in the California Coast Ranges that is bordered on the east side by the Blue Ridge of the Vaca Mountains, and on the west side by the Howell Mountains, which are also called the St. George Range. The valley is located almost entirely in Solano County with a northern terminus near the county line with Napa County, and a southern terminus at Suisun Bay in the estuary where the Sacramento River enters San Francisco Bay. Elevations on the valley floor range from above sea level, rising steeply to at Okell Hill on the north side, and to on the west side at Twin Sisters, a twin summit that is the high point of the Howell Mountains, as we ...
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California Coast Ranges
The Coast Ranges of California span from Del Norte or Humboldt County, California, south to Santa Barbara County. The other three coastal California mountain ranges are the Transverse Ranges, Peninsular Ranges and the Klamath Mountains. Physiographically, they are a section of the larger Pacific Border province, which in turn is part of the larger Pacific Mountain System physiographic division. UNESCO has included the "California Coast Ranges Biosphere Reserve" in its Man and the Biosphere Programme of World Network of Biosphere Reserves since 1983. * Physiography The northern end of the California Coast Ranges overlap the southern end of the Klamath Mountains for approximately 80 miles on the west. They extend southward for more than 600 miles to where the coastline turns eastward along the Santa Barbara Channel, around the area of Point Conception. Here the southern end meets the Los Angeles Transverse Ranges, or ''Sierras de los Angeles''. The rocks themselves that com ...
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Diuretic
A diuretic () is any substance that promotes diuresis, the increased production of urine. This includes forced diuresis. A diuretic tablet is sometimes colloquially called a water tablet. There are several categories of diuretics. All diuretics increase the excretion of water from the body, through the kidneys. There exist several classes of diuretic, and each works in a distinct way. Alternatively, an antidiuretic, such as vasopressin ( antidiuretic hormone), is an agent or drug which reduces the excretion of water in urine. Medical uses In medicine, diuretics are used to treat heart failure, liver cirrhosis, hypertension, influenza, water poisoning, and certain kidney diseases. Some diuretics, such as acetazolamide, help to make the urine more alkaline, and are helpful in increasing excretion of substances such as aspirin in cases of overdose or poisoning. Diuretics are sometimes abused by people with an eating disorder, especially people with bulimia nervosa, with the goa ...
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