Stratigraphy of the Bandelier Tuff in the Pajarito Plateau

applications to waste management
  • 57 Pages
  • 3.86 MB
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by
Dept. of Energy, Los Alamos Scientific Laboratory, for sale by the National Technical Information Service , Los Alamos, N.M, Sprinfield, Va
Radioactive waste disposal in the ground -- New Mexico -- Los A
StatementBruce M. Crowe ... [et al.]
SeriesLA ; 7225-MS
ContributionsCrowe, Bruce M, United States. Dept. of Energy
The Physical Object
Pagination57 p. :
ID Numbers
Open LibraryOL14880168M

STRATIGRAPHY OF THE BANDELIER TUFF IN THE PAJARITO PLATEAU. APPLICATIONS TO WASTE MANAGEMENT by Bruce M. Crowe, George W. Linn, Grant Heiken, and Mary Lou Bevier ABSTRACT The Bandelier Tuff within the Pajarito Plateau consists of a lower sequence of air-fall and ash-flow deposits (Otowi.

title = {Stratigraphy of the Bandelier Tuff in the Pajarito Plateau. abstractNote = {The Bandelier Tuff within the Pajarito Plateau consists of a lower sequence of air-fall and ash-flow deposits (Otowi Member) disconformably overlain by an upper sequence of air. Get this from a library.

Stratigraphy of the Bandelier Tuff in the Pajarito Plateau: applications to waste management. [Bruce M Crowe; George W Linn; Grant Heiken; Mary Lou Bevier; Los Alamos Scientific Laboratory.; United States. Stratigraphy of the Bandelier Tuff in the Pajarito Plateau book of Energy.].

Pueblo Peoples on the Pajarito Plateau and millions of other books are available for Amazon Kindle. Enter your mobile number or email address below and we'll send you a link to download the free Kindle App. Then you can start reading Kindle books on your smartphone, tablet, or computer - 5/5(2).

after stratigraphic studies in the western part of the Laboratory are complete. These refinements are necessary because the internal stratigraphy of the Bandelier Tuff varies with distance from its caldera sources.

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INTRODUCTION The Bandelier 'fuff is a complex volcanic rock unit whose physical properties vary both vertically and laterally. Previous. Stratigraphic nomenclature of the Bandelier Tuff for the Environmental Restoration project at Los Alamos National Laboratory.

Bandelier T uff in the Pajarito Plateau. GEOLOGY/HYDROGEOLOGY. The Bandelier Tuff makes up a significant portion of the vadose zone on the Pajarito Plateau, which is located on the flanks of the Valles Caldera in north-central New Mexico.

The Bandelier Tuff is a unit of multiple ash-flow tuffs deposited by massive eruptions from the Valles Size: 2MB. Stratigraphy and geochronology of mafic to intermediate volcanic rocks of La Grulla Plateau, northwestern Jemez Mountains. — John R.

Lawrence, pp. Strratigraphic nomenclature and trends in volcanism in the northern Jemez Mountains. — Shari A. Kelley, Kirt A. Kempter, and John R. Lawrence, pp. The southern Pajarito fault zone has over ft ( m) of pre-Bandelier Tuff down-to-the-east movement.

The Pajarito fault zone and a major pre-Bandelier Tuff fault identified herein may constitute the local boundaries of the southern continuation of the intra-rift Velarde graben.

The town site of Los Alamos, Los Alamos National Laboratory, and portions of White Rock are built on the Tshirege Tuff. Photo: Akkana Peck: Otowi Member of the Bandelier Tuff Age: million years This tuff (light, porous rock formed by consolidation of volcanic ashes) was erupted several hundred thousand years after the Tsankawi eruption.

A SEPARATE portion of Bandelier National Monument is traversed by the motorist en route to Frijoles Canyon from Santa Fe. This detached area was set aside to protect two large pueblo ruins, lying in typical Pajarito Plateau country. The first geologic map of the Guaje Mountain quadrangle was included as part of the map of the Los Alamos area by Griggs ().

Griggs () and Bailey et al. () described and defined the stratigraphy of the eastern Jemez Mountains. New Mexico Geological Society Guidebook, 58CHEMICAL ZONATION IN THE BANDELIER TUFFth Field Conference, Geology of the Jemez Mountains Region II,p.

INTRODUCTION Upper Bandelier Tuff (UBT) exposed beneath finger mesas on the eastern Pajarito Plateau, New Mexico, includes some of the. The Bandelier Tuff of New Mexico provides field data that illustrate fracture characteristics. Erupted million years ago, the upper member of the Bandelier Tuff (Tshirege Member) is well exposed in numerous canyons that cut the Pajarito Plateau in northern New Mexico.

Idealized stratigraphic section of the Tshirege Member, Bandelier Tuff in the vicinity of the Pajarito fault zone along the western margin of the Pajarito Plateau Cited by: 9. texts All Books All Texts latest This Just In Smithsonian Libraries FEDLINK (US) Genealogy Lincoln Collection.

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Full text of "Pajarito Plateau. The Pajarito Plateau is primarily composed of ignimbrite, a voluminous deposit of volcanic tuff laid down in an explosive eruption — in this case, a pair of eruptions from the nearby Valles Caldera.

Details Stratigraphy of the Bandelier Tuff in the Pajarito Plateau EPUB

The two ignimbrite-forming eruptions occurred about million and million years ago and ejected about cubic kilometers of rock each. The orange-pink rock formations constituting the resulting ignimbrites. Edgar Lee Hewett, founder of the Museum of New Mexico and a fervent Southwest booster at the turn of the last century, was a pioneer archaeologist on New Mexico's Pajarito Plateau -- in fact, he named the place, which is largely the property of the Los Alamos National Laboratory since the days of the Manhattan Project.4/5(1).

underlie the Bandelier Tuff and interfinger beneath the central Pajarito Plateau. INTRODUCTION Los Alamos National Laboratory lies on the Pajarito Plateau, which is an apron of Bandelier Tuff that spreads from the Jemez Mountains on the west into the EspaiiolaBasin of File Size: 1MB.

Description Stratigraphy of the Bandelier Tuff in the Pajarito Plateau EPUB

East of the Valles caldera, on the Pajarito Plateau, the Bandelier Tuff cooling unit stratigraphy has been mapped in detail and correlated with geochemical data (e.g., Broxton and Reneau, ; Goff, ).

Beyond the Pajarito Plateau, it is challenging to map the Bandelier Tuff based on cooling unit stratigraphy alone because welding and vapor-phase alteration vary greatly with radial distance from the Valles Cited by: 4. Probably named from exposures in Bandelier National Monument, Sandoval Co, NM in San Juan basin.

Is the thick unit of rhyolite tuff that caps much of Pajarito Plateau from Sierra de los Valles eastward to White Rock Canyon; forms spectacular cliffs along east-west and southeast-northwest-trending canyons of the plateau. The Pajarito Plateau is an erosional surface developed on the Bandelier Tuff, a sequence of rhyolitic tephras erupted from the Jemez Volcanic Field at about Ma and Ma.

The Bandelier Tuff contains abundant sand-sized quartz phenocrysts suitable for cosmogenic 21 Ne by: Fumarolic pipes in the Tshirege Member of the Bandelier Tuff on the Pajarito Plateau, Jemez Mountains, New Mexico Article (PDF Available) in Bulletin of.

This study focuses on 1) the Tshirege Member of the Bandelier Tuff by correlating the stratigraphy and chemistry from the well-known Pajarito Plateau to the less understood Jemez Plateau to reconstruct the latest caldera forming eruption (Section I.); 2) understanding the longevity of the Jemez Mountains Volcanic Field's magmatic system that Author: Keith Andrew Brunstad.

stratigraphic thickness of the ignimbrite deposits that define the Pajarito Plateau (Figures 2a and 2b). They showed that these fault zones are found only in nonwelded units of the Bandelier Tuff (Figure 2b).

As small-displacement faults, deformation bands are common fea-tures of the Pajarito Plateau [cf., Carter and Winter, ; Wilson et al Cited by: The influence of topography, stratigraphy and barometric venting on the hydrology of unsaturated Bandelier Tuff.

D.A. Neeper and R.H. Gilkeson Runoff and erosion on the Pajarito Plateau: observations from the fieldFile Size: 2MB. The stratigraphic units of primary interest for vadose zone flow are the Bandelier Tuff, Cerros del Rio basalt, and Puye Formation; see Color Plate 2.

Water content distributions in the unsaturated zone (Vaniman et al., ), major ion and contaminant transport measurements, numerical models, field measurements at an instrumented site in. Indeed, they have been mistaken for lizards. They are enclosed by a low wall of unshaped stones.

This shrine is on the Potrero de las Vacas, one of the long, high, narrow mesas of the Pajarito Plateau, in the rough, little-travelled southern portion of Bandelier National Monument, west of. Pajarito fault zone extends at least 1, m (5, ft) to the east of the main Pajarito fault escarpment.

Stratigraphic units in the study area include upper units of the Tshirege Member of the early Pleistocene Bandelier Tuff, early Pleistocene alluvial fan deposits that predate.

that Bandelier expressed in his diary. Despite the extraordinary wealth of archaeologi-cal sites on the Pajarito Plateau—the volcanic tuff tableland dissected by Frijoles and other canyons— relatively little archaeology has been done there. Because of this, the story of Bandelier National Monument and the surrounding plateau has.

On the western part of the Pajarito Plateau, the Bandelier Tuff overlaps onto the Tschicoma Formation, which consists of older dacitic volcanics that form the Jemez Mountains.

The tuff is underlain by the fanglomerate of the Puye Formation in the central plateau. Near the Rio Grande, the Bandelier Tuff is underlain by the Cerros del Rio basalts.Bandelier National Monument is a 33,acre (13, ha) United States National Monument near Los Alamos in Sandoval and Los Alamos counties, New monument preserves the homes and territory of the Ancestral Puebloans of a later era in the of the pueblo structures date to two eras, dating between and on: Sandoval, Los Alamos and Santa Fe.

Stratigraphic units in the study area include upper units of the Tshirege Member of the early Pleistocene Bandelier Tuff, early Pleistocene alluvial fan deposits that predate incision of canyons on this part of the Pajarito Plateau, and younger Pleistocene and Holocene alluvium and colluvium that postdate drainage incision.