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Platform Holly
Ellwood Oil Field (also spelled "Elwood") and South Ellwood Offshore Oil Field are a pair of adjacent, partially active oil fields adjoining the city of Goleta, California, about west of Santa Barbara, largely in the Santa Barbara Channel. A richly productive field in the 1930s, the Ellwood Oil Field was important to the economic development of the Santa Barbara area. A Japanese submarine shelled the area during World War II. It was the first direct naval bombardment of the continental U.S. since the Civil War, causing an invasion scare on the West Coast. Setting The Ellwood Oil Field is located approximately west of the city of Santa Barbara, beginning at the western boundary of the city of Goleta, proceeding west into the Pacific and then back onshore near Dos Pueblos Ranch. The onshore portions of the field include beach, coastal bluffs, blufftop grasslands, and eucalyptus groves. Some of the former oil field is now part of the Ellwood-Devereux Open Space, maintained by ...
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Vaqueros Formation
The Vaqueros Formation is a sedimentary geologic unit primarily of Upper Oligocene and Lower Miocene age, which is widespread on the California coast and coastal ranges in approximately the southern half of the state. It is predominantly a medium-grained sandstone unit, deposited in a shallow marine environment. Because of its high porosity and nearness to petroleum source rocks, in many places it is an oil-bearing unit, wherever it has been configured into structural or stratigraphic traps by folding and faulting. Being resistant to erosion, it forms dramatic outcrops in the coastal mountains. Its color ranges from grayish-green to light gray when freshly broken, and it weathers to a light brown or buff color. Type locality and deposition environment The type locality of the Vaqueros is from Vaqueros Canyon in the Santa Lucia Mountains, about eight miles southwest of Greenfield. The formation was first described by Homer Hamlin in 1904, as part of a report on the water ...
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Bombardment Of Orleans
The attack on Orleans was a naval and air action during World War I on 21 July 1918 when a German submarine fired on a small convoy of barges led by a tugboat off Orleans, Massachusetts, on the eastern coast of the Cape Cod peninsula. Several shells fired during the engagement likely missed their intended maritime or aircraft targets and fell to earth in the area around Orleans, giving the impression of a deliberate attack on the town. Action On the morning of 21 July 1918, German submarine , commanded by ''Kapitänleutnant'' Richard Feldt, was possibly attempting to cut the trans-Atlantic submarine communications cable from Orleans to Brest, France. While in the area for the buried cable, Feldt became aware of the passing tugboat ''Perth Amboy'' towing three barges and the three-masted schooner ''Lansford''. It was claimed that ''U-156'' fired two torpedoes; however, these were likely shells that missed their target or were warning shots across the ''Perth Amboy's'' bow. It i ...
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14 Cm/40 11th Year Type Naval Gun
The 14 cm/40 11th Year Type naval gun was the standard surface battery for Japanese submarine cruisers of World War II. Most carried single guns, but Junsen type submarines carried two. Japanese submarines ''I-7'' and ''I-8'' carried an unusual twin mounting capable of elevating to 40°. The appended designation ''11th year type'' refers to the horizontal sliding breech block on these guns. Breech block design began in 1922, or the eleventh year of the Taishō period in the Japanese calendar. The gun fired a projectile in diameter, and the barrel was 40 calibers long (barrel length is 14 cm x 40 = 560 centimeters or 220 inches). World War II This gun was the weapon used by , along with torpedoes, to sink , on December 7 1941, the first United States Merchant Marine vessel to be sunk after the entry of the United States into World War II. The type was used by ''I-17'' to sink on December 18, 1941, and to bombard the Ellwood Oil Field near Santa Barbara, Calif ...
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Japanese Submarine I-17
''I-17'' was a Japanese B1 type submarine of the Imperial Japanese Navy which saw service during World War II. This long-range submarine cruiser spent the early months of the war in the eastern Pacific and was the first Axis ship to shell the continental United States. She later supported the Imperial Japanese Army in fighting around the Solomon Islands and remained active in the southwest Pacific until she was sunk in August 1943. Service Pearl Harbor During the attack on Pearl Harbor on 7 December 1941, ''I-17'' patrolled north of Oahu. Its mission was to reconnoiter and engage any ships that tried to sortie from Pearl Harbor.Tabular Record of MovementHIJMS Submarine I-17/ref> ''I-17'' proceeded to a patrol station off Cape Mendocino following the attack on Pearl Harbor. The 6,912-ton General Petroleum tanker was sailing in ballast from Seattle, Washington en route to San Pedro, California. ''I-17'' hit the tanker with five shells in the early afternoon of 20 December ...
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Prickly Pear Cactus
''Opuntia'', commonly called the prickly pear cactus, is a genus of flowering plants in the cactus family Cactaceae, many known for their flavorful fruit and showy flowers. Cacti are native to the Americas, and are well adapted to arid climates; however, they are still vulnerable to alterations in precipitation and temperature driven by climate change. The plant has been introduced to parts of Australia, southern Europe, the Middle East, and northern Africa. ''Prickly pear'' alone is more commonly used to refer exclusively to the fruit, but may also be used for the plant itself; in addition, other names given to the plant and its specific parts include ''tuna'' (fruit), ''sabra'', ''sabbar'', '' nopal'' (pads, plural ''nopales'') from the Nahuatl word , nostle (fruit) from the Nahuatl word , and paddle cactus. The genus is named for the Ancient Greek city of Opus. The fruit and leaves are edible. The most common culinary species is the "Barbary fig" (''Opuntia ficus-indica'' ...
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Mesa Oil Field
The Mesa Oil Field is an abandoned oil field entirely within the city limits of Santa Barbara, California, in the United States. Discovered in 1929, it was quickly developed and quickly declined, as it proved to be but a relatively small accumulation of oil in a single geologic formation. While the field was active in the 1930s, residential development in most of the Mesa neighborhood of Santa Barbara came to a halt. The field included two major productive areas with a total surface extent of only , and produced of oil during its brief lifetime. p. 95.Dolman, S.G. ''Mesa Oil Field: California Division of Oil and Gas, Summary of Operations''. 1938. Vol. 24 No. 2. p. 5-14. Available tp://ftp.consrv.ca.gov/pub/oil/Summary_of_Operations/1938/Vol24No2.pdf here Geographic setting The field occupied a small area on a mesa to the west of the Santa Barbara Harbor, within the limits of the City of Santa Barbara, now the location of the neighborhood known as "The Mesa". The mesa from w ...
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Monterey Formation
The Monterey Formation is an extensive Miocene oil-rich geology, geological sedimentary formation in California, with outcrops of the formation in parts of the California Coast Ranges, Peninsular Ranges, and on some of California's off-shore islands. The Type locality (geology), type locality is near the city of Monterey, California. The Monterey Formation is the major source-rock for 37 to 38 billion barrels of oil in conventional traps such as sandstones. This is most of California's known oil resources. The Monterey has been extensively investigated and mapped for Hydrocarbon exploration, petroleum potential, and is of major importance for understanding the complex geological history of California. Its rocks are mostly highly siliceous strata that vary greatly in composition, stratigraphy, and Tectonostratigraphy, tectono-stratigraphic history. The US Energy Information Administration (EIA) estimated in 2014 that the 1,750 square mile Monterey Formation could, as a ...
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API Gravity
The American Petroleum Institute gravity, or API gravity, is a measure of how heavy or light a petroleum liquid is compared to water: if its API gravity is greater than 10, it is lighter and floats on water; if less than 10, it is heavier and sinks. API gravity is thus an inverse measure of a petroleum liquid's density relative to that of water (also known as specific gravity). It is used to compare densities of petroleum liquids. For example, if one petroleum liquid is less dense than another, it has a greater API gravity. Although API gravity is mathematically a dimensionless quantity (see the formula below), it is referred to as being in 'degrees'. API gravity is graduated in degrees on a hydrometer instrument. API gravity values of most petroleum liquids fall between 10 and 70 degrees. In 1916, the U.S. National Bureau of Standards accepted the Baumé scale, which had been developed in France in 1768, as the U.S. standard for measuring the specific gravity of liquids less den ...
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Sweet Crude Oil
Sweet crude oil is a type of petroleum. The New York Mercantile Exchange designates petroleum with less than 0.5% sulfur as ''sweet''. Petroleum containing higher levels of sulfur is called sour crude oil. Sweet crude oil contains small amounts of hydrogen sulfide and carbon dioxide. High-quality, low-sulfur crude oil is commonly used for processing into gasoline and is in high demand, particularly in industrialized nations. ''Light sweet crude oil'' is the most sought-after version of crude oil as it contains a disproportionately large fraction that is directly processed (fractionation) into gasoline (naphtha), kerosene, and high-quality diesel ( gas oil). The term ''sweet'' originates from the fact that a low level of sulfur provides the oil with a relatively sweet taste and pleasant smell, compared to sulfurous oil. Nineteenth-century prospectors would taste and smell small quantities of oil to determine its quality. Producers Producers of sweet crude oil include: * As ...
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