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Guaje Pumice Bed

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Series: GSA Special Papers
Published: 01 April 2013
DOI: 10.1130/2012.2494(12)
... ignimbrites (ca. 1.87–1.84 Ma); (5) the Otowi Member of the Bandelier Tuff, including the basal Guaje Pumice Bed (both ca. 1.68–1.61 Ma); (6) the Cerro Toledo Rhyolite (ca. 1.59–1.22 Ma); (7) the Tshirege Member of the Bandelier Tuff, including the basal Tsankawi Pumice Bed (both ca. 1.25–1.21 Ma); and (8...
Image
Plot of water content vs. conductivity for drill hole R-8, using correspond...
Published: 01 August 2005
the water abundance in any of the pumice-poor Puye fanglomerates, although the pumice-poor fanglomerates include many outliers of high conductivity. The basal sample from the Guaje Pumice Bed has high conductivity, similar to the other Guaje samples, but lower water content.
Image
Thick Bandelier Tuff deposits form the mesas of the Pajarito Plateau. Upper...
Published: 01 August 2005
tuffs of the Otowi Member (Qbo, below) and the cliff of nonwelded, vitric ash-flow tuffs of subunit Qbt 1 g of the Tshirege Member (above). Bottom photograph, east of the confluence of Pueblo and Los Alamos Canyons, shows stratified pumice-fall deposits of the Guaje Pumice Bed (Qbog) overlain by Otowi
Image
Structure contour and isopach map for the Otowi Member of the Bandelier Tuf...
Published: 01 August 2005
Fig. 16. Structure contour and isopach map for the Otowi Member of the Bandelier Tuff. Structure contours are for base of Guaje Pumice Bed and show the paleotopography before eruption of the Otowi Member. Otowi ash-flow tuffs filled a broad north-trending paleovalley bound by the Sierra de los
Journal Article
Published: 01 August 2005
Vadose Zone Journal (2005) 4 (3): 453–465.
... the water abundance in any of the pumice-poor Puye fanglomerates, although the pumice-poor fanglomerates include many outliers of high conductivity. The basal sample from the Guaje Pumice Bed has high conductivity, similar to the other Guaje samples, but lower water content. ...
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Journal Article
Published: 01 August 2005
Vadose Zone Journal (2005) 4 (3): 637–652.
... Canyon at depths of 40 to 137 m (134–450 ft) within the Guaje Pumice Bed and the underlying Puye Formation fanglomerate. Saturated thicknesses for these occurrences ranges from about 3 m (9 ft) at LADP-3 to more than 9 m (>31 ft) at LAOI-3.2a ( Fig. 2 ). Groundwater occurrences in the Guaje Pumice Bed...
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Journal Article
Published: 01 August 2005
Vadose Zone Journal (2005) 4 (3): 522–550.
... tuffs of the Otowi Member (Qbo, below) and the cliff of nonwelded, vitric ash-flow tuffs of subunit Qbt 1 g of the Tshirege Member (above). Bottom photograph, east of the confluence of Pueblo and Los Alamos Canyons, shows stratified pumice-fall deposits of the Guaje Pumice Bed (Qbog) overlain by Otowi...
FIGURES | View All (19)
Journal Article
Published: 01 August 2005
Vadose Zone Journal (2005) 4 (3): 729–743.
... Toledo Interval of the Bandelier Tuff Cerro Toledo Qct Otowi member of the Bandelier Tuff Otowi member ash flow Qbof Guaje Pumice bed Qbog Puye Formation Puye fanglomerate Tpf Totavi lentil Tpt Cerros del Rio basalt Basalt 4 Tb4 Basalt 3 Tb3 Basalt 2 Tb2 Basalt 1...
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Journal Article
Journal: Geophysics
Published: 01 March 2007
Geophysics (2007) 72 (2): B31–B45.
... (R-25) Array induction borehole tool Broxton et. al, 2002a, Los AlamosNational Laboratory report, LA-13909-MS, Figure 5.5–2, Appendix E Bandelier Tuff, Otowi member (unsaturated) 478 Sitewide Array induction borehole tool This work. Bandelier Tuff, Otowi member (Guaje pumice bed) 736...
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Journal Article
Journal: Geosphere
Published: 01 June 2009
Geosphere (2009) 5 (3): 252–269.
..., argue for three Holocene surface-rupturing earthquakes; one ca. 1.4 thousand calendar years ago (1.4 cal ka) on the Pajarito fault, a second 6.5–5.2 ka ago on the Pajarito fault that is consistent with an event 6.5–4.2 ka ago on the Guaje Mountain fault, and a third ca. 9 ka ago on both the Pajarito...
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Journal Article
Published: 01 August 2005
Vadose Zone Journal (2005) 4 (3): 620–636.
... Member and is exposed in lower canyon slopes in the northern part of the plateau. It is a multiple-flow unit made up of a relatively uniform sequence of nonwelded ash-flow tuffs. The maximum thickness of the Otowi Member is 128 m in the southwest part of the Laboratory. The Guaje Pumice Bed is a 2- to 15...
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Journal Article
Published: 01 August 2005
Vadose Zone Journal (2005) 4 (3): 672–693.
... Canyon reach defined by Gages E252 and E265 because the flow past these gages was not seasonally correlated and appeared to respond to different precipitation events. ‡ Geologic abbreviations are: Qct = Cerro Toledo Member, Qbog = Guaje Pumice Bed, Qbof = Otowi Member, Qbtt = Tsankawi Pumice Bed...
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Journal Article
Journal: Geosphere
Published: 01 June 2013
Geosphere (2013) 9 (3): 614–646.
... from a rhyolite intrusion in the southern JMVF and pumiceous rhyolite deposits in the northern JMVF suggest an episode of localized, 7.6–7.8 Ma rhyolitic volcanism that occurred in the central part of the JMVF between 12–8 Ma Canovas Canyon Rhyolite and 7–6 Ma peak Bearhead Rhyolite volcanism. Younger...
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Journal Article
Published: 01 April 2021
American Mineralogist (2021) 106 (4): 620–632.
... the equilibrium test of Bacon and Hirschmann (1988) . The first-erupted parts of both the Otowi and Tshirege Members of the Bandelier Tuff (respectively, the Guaje and Tsankawi Pumice Beds) have compositions that are close to haplogranite, are homogeneous, exhibit the least textural evidence for internal...
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Journal Article
Published: 01 August 2005
Vadose Zone Journal (2005) 4 (3): 653–671.
... hypotheses. It has been emphasized that although discontinuous, low permeability beds produce confining conditions in the aquifer locally near the Rio Grande and elsewhere in the basin, flow is able to cross the low permeability beds in some locations as groundwater discharges to the river ( Hearne, 1985...
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Journal Article
Journal: GSA Bulletin
Published: 01 November 2003
GSA Bulletin (2003) 115 (11): 1315–1323.
... deposits near Mount Blanco, Texas, with the Guaje Pumice Bed of the Jemez Mountains, New Mexico : Quaternary Research , 2 . 554 - 578 . Kowallis , B.J. , and Heaton , J.S. , 1987 , Fission-track dating of bentonites and bentonitic mudstones from the Morrison Formation in central Utah...
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Journal Article
Published: 01 August 2005
Vadose Zone Journal (2005) 4 (3): 760–773.
...-flow and ash-fall tuffs interbedded with thin pumice beds. Qbt 2 and Qbt 1vc contain nearly ubiquitous, vertical cooling joints ( Purtymun and Kennedy, 1971 ), with average joint spacing in Qbt 2 varying from 0.9 to 3.3 m ( McLin et al., 2005 ). Joints are typically <6 mm, but some openings...
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Journal Article
Journal: Lithosphere
Publisher: GSW
Published: 01 October 2011
Lithosphere (2011) 3 (5): 328–345.
... containing crystals, pumice, and lithic fragments ( Fig. 3 ). The commonly accepted age of the Otowi Member is 1.613 ± 0.011 Ma (2σ weighted mean of four samples), obtained by the 40 Ar/ 39 Ar method from pumice lumps of the Guaje pumice bed ( Izett and Obradovich, 1994 ; their sample 91G35, close...
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Journal Article
Journal: AAPG Bulletin
Published: 01 May 1983
AAPG Bulletin (1983) 67 (5): 841–875.
... for physiographic features and places where first recognized (e.g., Guaje pumice bed, where it is not mapped as the Guaje Member of the Bandelier Tuff), others bear the same name as the volcanic vent (e.g., Huckleberry Ridge ash bed of Izett and Wilcox, 1981 ). Informal geologic units are designated...
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Journal Article
Journal: AAPG Bulletin
Published: 01 November 2005
AAPG Bulletin (2005) 89 (11): 1547–1591.
............................................................................................................................................1572 Remarks: a. Limitations...........................................................................................................................................1569 b. Key or marker beds...
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