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Napa Valley

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Journal Article
Journal: Elements
Published: 01 June 2018
Elements (2018) 14 (3): 179-184.
..., all of which influence grape quality and character. At the smaller scale, soil character and local climatic variation shape grape flavor and aroma. These notions are discussed in relation to four California (USA) wine regions: Sonoma County, Paso Robles, Santa Barbara County, and Napa Valley...
FIGURES | View All (5)
Journal Article
Published: 01 June 2006
Bulletin of the Seismological Society of America (2006) 96 (3): 1192-1198.
... field data, the earthquake occurred on a strand of the West Napa fault, the main basin-bounding fault along the west side of Napa Valley. Linear aeromagnetic anomalies and a prominent gravity gradient extend the length of the fault to the latitude of Calistoga, suggesting that this fault may be capable...
FIGURES | View All (4)
Series: GSA Field Guide
Published: 01 January 2000
DOI: 10.1130/0-8137-0002-7.415
EISBN: 9780813756028
... are trying to reconstruct the geologic history of California, it is not necessary to reach that far back in At that time Napa Valley lay at the bottom of an ocean basin ~50 mi west of a chain of volcanic islands. Debris from these islands, and from the main continental mass just a short...
Image
Map of the <b>Napa</b> <b>Valley</b> (California, USA) American Viticultural Areas (AVA),...
in > Elements
Published: 01 June 2018
Figure 2 Map of the Napa Valley (California, USA) American Viticultural Areas (AVA), shown in shades of grey. Sub-American Viticultural Areas (sub-AVAs) are in medium grey. The Oakville sub-AVA, which is discussed in detail in the text, is in dark grey. Map by S.L. MacDonald of Envision Geo LLC
Image
Map of the Oakville American Viticultural Area (AVA) of central <b>Napa</b> <b>Valley</b>...
in > Elements
Published: 01 June 2018
Figure 3 Map of the Oakville American Viticultural Area (AVA) of central Napa Valley (see the dark grey area outlined in Fig. 2 ) and the surrounding region. This map shows the locations of the region's alluvial fans and watersheds. Watersheds are letter and numerically labelled after
Image
Map of <b>Napa</b> <b>Valley</b> and Sonoma County showing (in red) the areas of fire dam...
in > Elements
Published: 01 June 2018
Figure 5 Map of Napa Valley and Sonoma County showing (in red) the areas of fire damage during the fire outbreaks of 2017: the areas, north to south, were known as Pocket, Tubbs, Nuns, and Atlas. Map by S.L. MacDonald of Envision Geo LLC
Image
<b>Napa</b> <b>Valley</b> (Caneros Region) EC a  survey of a vineyard using electromagnet...
Published: 01 March 2013
Figure 3 Napa Valley (Caneros Region) EC a survey of a vineyard using electromagnetic induction: a) in-row and between row sites and b) EM h and EM v measurements between and in row.
Journal Article
Published: 01 November 2016
Bulletin of the Seismological Society of America (2016) 106 (6): 2721-2746.
... cause far‐field amplified fault‐zone shaking. We interpret guided waves and seismicity cross sections to indicate multiple upper crustal splays of the WNFZ – FF , including a northward extension of the Southhampton fault, which may cause strong shaking in the Napa Valley and the Vallejo area. Based...
Journal Article
Journal: Geosphere
Published: 01 October 2010
Geosphere (2010) 6 (5): 594-620.
... map these faults, many of which influenced basin formation and volcanism. Continuity of magnetic anomalies in certain areas, such as Napa and Sonoma Valleys, the region north of Napa Valley, and the region south of the Santa Rosa Plain, preclude significant (>10 km) offset. Much of the slip...
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Journal Article
Journal: Geosphere
Published: 01 June 2011
Geosphere (2011) 7 (3): 629-657.
... suggest caldera-related sources for the Pinole and Lawlor Tuffs in southern Napa Valley and for the tuff of Franz Valley in northern Napa Valley. Stratigraphic correlations based on similarity in eruptive sequence and style coupled with geochemical data allow an estimate of 30 km of right-lateral offset...
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Journal Article
Published: 30 July 2019
Bulletin of the Seismological Society of America (2019) 109 (5): 1907-1921.
... M w 6.0 South Napa earthquake. The FZTWs were recorded by a 15‐kilometer‐long dense (100 m spacing) linear seismic array consisting of 155 4.5‐hertz three‐component seismometers that were deployed across the surface ruptures and adjacent faults in Napa Valley in the summer of 2016. The two...
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Journal Article
Journal: Geosphere
Published: 01 December 2015
Geosphere (2015) 11 (6): 2015-2030.
...Stephen B. DeLong; James J. Lienkaemper; Alexandra J. Pickering; Nikita N. Avdievitch Abstract The A.D. 2014 M6.0 South Napa earthquake, despite its moderate magnitude, caused significant damage to the Napa Valley in northern California (USA). Surface rupture occurred along several mapped...
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Series: Society of Economic Geologists Guidebook Series
Published: 01 January 1993
DOI: 10.5382/GB.16
EISBN: 9781934969694
Journal Article
Journal: Geology
Published: 01 August 2001
Geology (2001) 29 (8): 759.
... of) Geologic history of the Yosemite Valley (California) : Journal of Geology , v. 40 p. 84 – 87 . Chorley , R.J. , 1973 , The history of the study of landforms or the development of geomorphology , Volume 2 : The life and work of William Morris Davis : London, Methuen , 874 p...
Series: Society of Economic Geologists Guidebook Series
Published: 01 January 1993
DOI: 10.5382/GB.16
EISBN: 9781934969694
... formation of the Upper Jurassic and Cretaceous Great Valley sequence) and serpentinized ultramafic and mafic rocks of the Middle Jurassic Coast Range ophiolite in the footwall. The Stony Creek fault separates the two units, and dips moderately northeasterly. Pliocene basaltic andesite and volcaniclastic...
Journal Article
Journal: Geosphere
Published: 01 June 2011
Geosphere (2011) 7 (3): 658-683.
.... In the Mayacmas Mountains a belt of eruptive centers youngs to the north. The youngest of these volcanic centers at Sugarloaf Ridge, which lithologically, chemically, and temporally matches the Napa Valley eruptive center, was apparently displaced 30 km to the northwest by movement along the Carneros and West...
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Journal Article
Journal: AAPG Bulletin
Published: 01 June 2010
AAPG Bulletin (2010) 94 (6): 773-789.
..., at the Meritage resort in Napa Valley, California, and attracted more than 115 participants. The four-day meeting consisted of both oral and poster presentations and an optional field trip to the Geysers geothermal field located about 50 mi (80 km) north of Napa in the rugged Macayamas Mountains on May 8...
Series: Society of Economic Geologists Guidebook Series
Published: 01 January 1993
DOI: 10.5382/GB.16
EISBN: 9781934969694
Series: GSA Field Guide
Published: 01 January 2000
DOI: 10.1130/0-8137-0002-7
EISBN: 9780813756028
Series: GSA Special Papers
Published: 01 January 1984
DOI: 10.1130/SPE198-p103
... The basal Great Valley sequence in Napa and southern Lake Counties, California, is a mappable chaotic unit composed largely of ophiolitic debris. Serpentinite flows and breccias, mafic breccias and associated finer-grained clastic rocks, and blocks of extrusive greenstone, mafic breccia, chert...