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Khumbu region

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Journal Article
Published: 01 March 2006
Journal of the Geological Society (2006) 163 (2): 383-399.
... that major sedimentation throughout the Himalaya is synchronous and tied to regional climatic oscillations. Bedrock incision rates calculated from strath terrace ages average c . 3.9 mm a −1 , suggesting that the overall rate of incision is set by regional uplift. The Khumbu Himal is located in eastern...
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Journal Article
Published: 01 April 1999
Journal of the Geological Society (1999) 156 (2): 227-240.
... to the footwall of the Lhotse Detachment. The mid–upper greenschist grade Everest pelites, some 2000 m thick on the SW face of Everest, form a northward tapering wedge bounded by normal faults below and above. A major compressional fault, the Khumbu Thrust, bounds the base of a c . 3–6 km thick sheet which...
Journal Article
Journal: GSA Bulletin
Published: 01 October 2000
GSA Bulletin (2000) 112 (10): 1621-1632.
... that summer precipitation in the central and eastern Himalayas, such as the Khumbu Himal, may have remained sufficiently high to allow glacier growth during times of regional cooling. Samples SK16, SK17, and SK18 were collected from a series of upward-fining beds of coarse- to medium-grained sands exposed...
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Journal Article
Journal: Geology
Published: 01 November 2014
Geology (2014) 42 (11): 1019-1022.
...Dirk Scherler Abstract Ice-free bedrock headwalls are widespread landforms of many glacial landscapes, but their formation and evolution are not well understood. Here, I present observations from the Khumbu Himalaya, eastern Nepal, of a distinct elevation zone that aligns the base of many steep...
FIGURES
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Figure 2. Cosmogenic radionuclide (CRN) ages for moraines in <b>Khumbu</b> Himal s...
in > Geology
Published: 01 June 2003
). Simulated monsoon pressure index (Δ M percentage, solid blue line) for Indian Ocean and simulated changes in precipitation (Δ P percentage, black line) in southern Asia ( Prell and Kutzbach, 1987 ) show higher values when south Asian monsoon is more active, bringing moisture to Khumbu region. Variations
Image
( a ) Summary of selected THERMOCALC  P – T  results from the <b>Khumbu</b> valley...
Published: 01 May 2003
Fig. 9.  ( a ) Summary of selected THERMOCALC P – T results from the Khumbu valley samples. See Figure 8a for location of all samples. Reactions: (1) St Chl Bt As V (from Spear 1993 ); (2) Ms Ab Qtz Kfs As Melt; (3) Ms An Qtz Kfs Ab Melt (from Le Breton & Thompson 1988
Journal Article
Published: 01 January 1956
Bulletin de la Société Géologique de France (1956) S6-VI (1-3): 21-25.
...Augustin Lombard; P. Bordet Abstract Describes the geology along a section about 50 km long from Phaphlu in the Solo Khumbu through Okhaldunga to the Dudh Kosi, in the Himalaya range, east Nepal. The Nawakot nappes appear as windows through the Katmandu nappes; displacement of the latter has been...
Journal Article
Published: 01 January 1953
Bulletin de la Société Géologique de France (1953) S6-III (4-6): 321-327.
...Augustin Lombard Abstract A preliminary summary of data on the structure of eastern Nepal. structural units encountered from Mount Everest through Okhaldhunga to Jaynaga on the Ganges plain are, successively: the Tibet flagstone with its granitized base, the Khumbu nappes, which are overridden...
Journal Article
Journal: GSA Bulletin
Published: 01 March 2006
GSA Bulletin (2006) 118 (3-4): 383-392.
... glacial cycles, likely indicating a progressive reduction in the moisture supply necessary to sustain glaciation. A possible explanation is that uplift of Himalayan ranges to the south and/or of the Karakoram Mountains to the west of the region may have effectively blocked moisture supply by the south...
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Journal Article
Journal: Geology
Published: 01 May 2000
Geology (2000) 28 (5): 403-406.
... to retrieve earlier M1 conditions. Geological Society of America 2000 TABLE 1. U-Pb DATA FOR EVEREST REGION SAMPLES Figure 1. Simplified geologic map of Khumbu Himalaya (after Searle, 1999a ) showing outcrop locations of U-Pb and thermobarometry samples analyzed in this paper. Inset shows...
FIGURES
Journal Article
Journal: Geology
Published: 01 August 2016
Geology (2016) 44 (8): 611-614.
... thermochronological data from the Mount Everest region, which, combined with thermal-kinematic landscape evolution modeling, indicate asymmetric exhumation of Mount Everest consistent with a scenario in which the southern edge of the Tibetan Plateau was located >100 km farther south during the mid-Miocene...
Journal Article
Journal: Geosphere
Published: 01 April 2012
Geosphere (2012) 8 (2): 507-517.
... of the Tama Kosi window, a structural culmination that may reflect out-of-sequence adjustment of the orogenic wedge. The geology of the mapped area appears similar to that observed in the adjacent, better-studied Everest region. The main goals of this preliminary study were to examine the geology...
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Journal Article
Published: 01 March 2003
European Journal of Mineralogy (2003) 15 (2): 401-418.
...Alessandro BORGHI; Daniele CASTELLI; Bruno LOMBARDO; Dario VISONÀ Abstract Granulite-facies garnet-bearing metapelites, metabasics and calc-silicate rocks from the lower metamorphic complex (Kharta Gneiss) of the Greater Himalayan Crystallines in the Kharta region of S Tibet, E Himalaya, preserve...
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Journal Article
Journal: GSA Bulletin
Published: 01 March 2009
GSA Bulletin (2009) 121 (3-4): 323-332.
... margin. It also allows, for the first time, identification of precise depositional ages of several units in the Everest region, in particular, the Yellow Band carbonate and directly underlying siliciclastic strata, which are both shown to be late Middle Cambrian in age. Detrital zircon data presented...
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Journal Article
Published: 01 April 1998
Journal of the Geological Society (1998) 155 (2): 353-363.
... and the South Asian Monsoon record Arctic and Alpine Research 1980 12 171 182 Moribayashi S. Higuchi K. Characteristics of glaciers in the Khumbu region and their recent variations Seppyo 1977 39 Special Issue, 3 6 Müller F. Eight months of glacier and soil research...
Journal Article
Journal: Economic Geology
Published: 01 December 2006
Economic Geology (2006) 101 (8): 1497-1524.
... Muteh according to our study. The remaining 40 Ar/ 39 Ar data reveal a Cretaceous to early Tertiary metamorphic, magmatic, and deformation history of the complex hosting the Muteh gold deposit. The fluid inclusion study showed that distinct fluids were present during the regional geologic evolution pre...
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Journal Article
Journal: Lithosphere
Published: 01 December 2013
Lithosphere (2013) 5 (6): 547-554.
...Mike Searle Abstract Exhumed sections of migmatites are beautifully exposed in the middle crust of old orogens such as the Proterozoic Wet Mountains of Colorado and young Tertiary–active orogens such as the Himalaya and Karakoram. Migmatites and leucogranites occur both on a regional scale (e.g...
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Journal Article
Published: 01 January 2009
Journal of the Geological Society (2009) 166 (1): 25-43.
... . 2006 b ). The total amount of Tertiary melt within the Greater Himalayan sequence in the Kali Gandki valley is significantly less than in other portions of the orogen such as the Manaslu ( Pêcher 1989 ) and Khumbu regions ( Bordet 1979 ). The variation in along-strike melt volume may reflect...
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Journal Article
Journal: GSA Bulletin
Published: 01 November 2003
GSA Bulletin (2003) 115 (11): 1356-1364.
...Lewis A. Owen; Robert C. Finkel; Ma Haizhou; Joel Q. Spencer; Edward Derbyshire; Patrick L. Barnard; Marc W. Caffee Abstract Glacial successions in the Anyemaqen and Nianbaoyeze Mountains of northeastern Tibet are reassessed and new glacial chronologies are presented for these regions. Cosmogenic...
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Journal Article
Journal: GSA Bulletin
Published: 01 November 2001
GSA Bulletin (2001) 113 (11): 1443-1455.
...James E. Fraser; Michael P. Searle; Randall R. Parrish; Stephen R. Noble Abstract U-Pb dating of metamorphic and igneous rocks from the Hunza Valley and Baltoro regions of the Karakoram Mountains in northern Pakistan addresses the thermal and magmatic evolution of the thickened Asian plate crust...
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