Prominent sedimentary geologic unit of the Eocene age in California
Juncal Formation
Stratigraphic range: Eocene
Outcrop of the Juncal Formation, in the Santa Ynez Mountains, California. Shale with interbeds of sandstone (the lighter-colored material).
Type
sedimentary
Underlies
Matilija Sandstone
Overlies
Sierra Blanca Limestone, Jalama Formation, Espada Formation, Franciscan Formation[1]
Thickness
1,500 to 5,400 feet[2]
Lithology
Primary
shale, sandstone
Location
Region
Coastal southern California
Country
United States
Type section
Named for
Juncal Camp, east of Agua Caliente Creek, Santa Barbara County
Named by
Page, Marks and Walker (1951)[3]
The Juncal Formation (also Juncal Shale) (/ˈdʒʊŋkɑːl,ˈhuːŋ/) is a prominent sedimentary geologic unit of Eocene age found in and north of the Santa Ynez Mountain range in southern and central Santa Barbara County and central Ventura County, California. An enormously thick series of sediments deposited over millions of years in environments ranging from nearshore to deep water, it makes up much of the crest of the Santa Ynez range north of Montecito, as well as portions of the San Rafael Mountains in the interior of the county. Its softer shales weather to saddles and swales, supporting a dense growth of brush, and its sandstones form prominent outcrops.[4]
^Dibblee, Thomas. Geology of the central Santa Ynez Mountains, Santa Barbara County, California. Bulletin 186, California Division of Mines and Geology. San Francisco, 1966. 21
The JuncalFormation (also Juncal Shale) (/ˈdʒʊŋkɑːl, ˈhuːŋ/) is a prominent sedimentary geologic unit of Eocene age found in and north of the Santa Ynez...
either the Anita Shale (in the western portion of its range) or the JuncalFormation Shale (in the east). The largest outcrop in the Santa Ynez Range is...
Play are the lower-lying organic-rich shale units, such as the Juncal-Anita Formations. Since this deep-lying play is incompletely explored, with many...
Viewed of La Cumbre Peak from the east with a prominent outcrop of the JuncalFormation in the foreground. Highest point Elevation 3,997 ft (1,218 m) NAVD 88...
The naval Battle of Juncal took place between a squadron of the newly independent United Provinces of the River Plate under command of William Brown and...
lower-lying organic-rich shale units, such as the Cozy Dell and the Juncal-Anita Formations. Since this deep-lying play is incompletely explored, the estimates...
Cuchara and DeBeque Formations, Colorado Sheep Pass Formation, Nevada San Jose and Galisteo Formations, New Mexico Capay, Juncal, Llajas, Maniobra, Matilija...
distributed ash in the direction of the lake. Several Hudson tephra layers from Juncal Alto 92 kilometres (57 mi) have been named T1 through T9, and another set...
Blanca La Degollada El Espinillo El Fondillo La Higuerillla Juán Gómez El Juncal Lomito de las Lajas Lomo de Los Santos El Majuelo Peña Rajada El Rincón...
the contest Miss Spain returns with Pedro Quesada as president and with Juncal Rivero as general director. The national director for Spain at Miss Universe...
tectonic inversion. The said rocks are grouped in the Abanico and Farellones Formation. Tectonic inversion took place 21 to 16 million years (Ma) ago, yet the...
Aconcagua (6,961 m (22,838 ft)), Tupungato (6,550 m (21,490 ft)), and Nevado Juncal (6,110 m (20,046 ft)) are tens of kilometres away from each other and were...
Katharina Radecki Germany Not awarded Not awarded Bad Gastein, Austria 25 1985 Juncal Rivero Fadrique Castilla Spain Anke Symkowitz Germany Brigitte Bergman...
battle, a series of smaller clashes ensued, including the naval Battles of Juncal and Monte Santiago. Given the high cost of the war for both sides and the...
leading a successful campaign, which had included a significant victory at Juncal. Eventually however, a Brazilian fleet led by English admiral James Norton...
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