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Barnard Glacier

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Tectonic discrimination diagrams for mafic rocks of the <b>Barnard</b> <b>Glacier</b> and...
Published: 01 November 2014
Figure 9. Tectonic discrimination diagrams for mafic rocks of the Barnard Glacier and Donjek Glacier suites. (A) Th-Nb-Hf diagram of Wood (1980) . (B) Th/Yb-Nb/Yb diagram after Pearce and Peate (1995) . Values of ocean-island basalt (OIB), enriched mid-ocean-ridge basalt (E-MORB), and normal
Image
Discrimination diagrams for felsic rocks of the <b>Barnard</b> <b>Glacier</b> and Donjek ...
Published: 01 November 2014
Figure 10. Discrimination diagrams for felsic rocks of the Barnard Glacier and Donjek Glacier suites. (A) Al-saturation index (molecular Al/[Ca + Na + K]) vs. alkali saturation index (molecular Al/[Na + K]) after Maniar and Piccoli (1989) . (B) Nb-Y discrimination diagram for felsic rocks from
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(A) Initial ε Nd  vs. age diagram for rocks of the <b>Barnard</b> <b>Glacier</b> and Donj...
Published: 01 November 2014
Figure 11. (A) Initial ε Nd vs. age diagram for rocks of the Barnard Glacier and Donjek Glacier suites. Isotopic compositions of Alexander terrane basement rocks are compiled from Samson et al. (1989) and Beranek et al. (2012) . Depleted mantle curve: lower limit from DePaolo (1981) ; upper
Journal Article
Journal: GSA Bulletin
Published: 01 November 2014
GSA Bulletin (2014) 126 (11-12): 1531–1550.
...Figure 9. Tectonic discrimination diagrams for mafic rocks of the Barnard Glacier and Donjek Glacier suites. (A) Th-Nb-Hf diagram of Wood (1980) . (B) Th/Yb-Nb/Yb diagram after Pearce and Peate (1995) . Values of ocean-island basalt (OIB), enriched mid-ocean-ridge basalt (E-MORB), and normal...
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Journal Article
Journal: GSA Bulletin
Published: 01 July 2002
GSA Bulletin (2002) 114 (7): 896–908.
... and Barnard Glaciers where five radiocarbon ages suggest advance as early as 2700 cal. (calibrated) yr B.P. Two additional radiocarbon-dated advances are centered on cal. yr A.D. 300 and the beginning of the Little Ice Age about A.D. 1200. The best-documented Little Ice Age advances occurred during the mid...
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Figure 8. Location map of <b>Barnard</b> and Hawkins <b>Glaciers</b>. Base map U.S. Geolo...
Published: 01 July 2002
Figure 8. Location map of Barnard and Hawkins Glaciers. Base map U.S. Geological Survey 1:63360 series, McCarthy A-3 sheet. Dashed lines are the 1957 ice position; the dotted pattern represents the approximate ice extent observed during 1999.
Journal Article
Journal: GSA Bulletin
Published: 01 March 2004
GSA Bulletin (2004) 116 (3-4): 394–406.
...Jerome van der Woerd; Lewis A. Owen; Paul Tapponnier; Xu Xiwei; François Kervyn; Robert C. Finkel; Patrick L. Barnard Abstract Several giant ice avalanches were initiated by slope failure from ice caps due to strong ground motion during the 14 November 2001 M w = 7.9 Kokoxili earthquake...
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Journal Article
Published: 01 March 2006
Journal of the Geological Society (2006) 163 (2): 383–399.
... et al . 1999 ; Barnard et al . 2001, 2004 a , b ; Vance et al . 2003 ). Burbank (2002) showed that erosion by rivers, landslides and glaciers can exceed 5 mm a −1 and these rates can be sustained over time periods of the order of 10 2 –10 5 a. Mountain uplift rates in the Himalaya during...
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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: Geology
Published: 27 April 2020
Geology (2020) 48 (7): 703–707.
...., 2008 ) and the duration of the detachment-induced quakes recorded at the Barnard glacier seismic station (60 km southwest of Flat Creek), we derived peak velocities up to 50 m/s and mean velocities around 30 m/s for both events (see the Supplemental Material). Surveying the detachment deposits in 2018...
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Journal Article
Journal: GSA Bulletin
Published: 02 January 2018
GSA Bulletin (2018) 130 (7-8): 1231–1255.
... began at ca. 3 Ma and peaked ca. 2.75 Ma ( Fig. 4 ; Ravelo et al., 2006 ). During the NHG, continental glaciers of the Laurentide ice sheet in North America advanced to their maximum, and abundant ice-rafted debris was present in northern oceans ( Balco and Rovey, 2010 ). Haug et al. (2005...
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Journal Article
Journal: Geology
Published: 01 June 2003
Geology (2003) 31 (6): 561–564.
... chronology based on the 10 Be exposure age in the Khumbu Glacier, Eastern Nepal Himalaya : Proceedings of the Korea-Japan/Japan-Korea Geomorphological Conference , p. 134 – 135 . Barnard , P.L. , Owen , L.A. , and Finkel , R.C. , 2003 , Style and timing of glacial and paraglacial...
FIGURES
Journal Article
Journal: Geology
Published: 01 April 2017
Geology (2017) 45 (4): 359–362.
...Ji-Feng Zhang; Baiqing Xu; Falko Turner; Liping Zhou; Pan Gao; Xinmiao Lü; Atle Nesje Abstract Long-term records of glacier mass changes are important for improving our understanding of glacier dynamics and for predicting the response of glaciers to future climate change. In contrast to moraine...
Series: Geological Society, London, Special Publications, Geological Society, London, Special Publications
Published: 01 January 2007
DOI: 10.1144/SP281.21
EISBN: 9781862395299
... Abstract Annie Greenly (née Barnard) is the great woman standing behind Edward Greenly. During his 25 years of surveying and producing the two volumes of the Memoir of Anglesey , she played a crucial role producing the index among other things. Her interaction with Greenly, first...
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Journal Article
Journal: Geosphere
Published: 04 June 2018
Geosphere (2018) 14 (4): 1710–1752.
..., and terrestrial laser scanning. Largely unstudied, IDFs are supraglacial landforms at the mouths of bedrock catchments between valley glaciers and icecaps. Time-lapse imagery recorded 300–2300 events reaching 15 fans during intervals from nine months to two years. Field observations noted hundreds of deposits...
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Journal Article
Journal: GSA Bulletin
Published: 01 March 2009
GSA Bulletin (2009) 121 (3-4): 348–365.
... Be terrestrial cosmogenic nuclide (TCN) surface-exposure dating of boulders on the moraines and sediment in depth profiles show that glaciers advanced at least 12 times during at least the last two glacial cycles. Over this time, the style of glaciation changed progressively from one that produced ice caps...
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Series: Geological Society, London, Special Publications
Published: 01 January 2018
DOI: 10.1144/SP462.5
EISBN: 9781786203434
... Abstract In glacier-fed Baspa River valley, Late Quaternary climatic changes are archived in the terraces, fan and landslide deposits. An initial optically stimulated luminescence (OSL) based stratigraphy of these deposits is developed to deduce geomorphic evolution and palaeoclimatic changes...
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Journal Article
Published: 06 August 2004
Canadian Journal of Earth Sciences (2004) 41 (8): 903–918.
...Alberto V. Reyes; John J. Clague Abstract Holocene lateral moraines in the Coast Mountains of British Columbia are commonly composed of multiple drift units related to several glacier advances. In this paper, we document lateral moraine stratigraphy at Lillooet Glacier in the southern Coast...
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Journal Article
Published: 18 July 2008
Canadian Journal of Earth Sciences (2008) 45 (6): 693–700.
..., Point marking approximate northernmost ice that moves southward into the Barnard glacier; G, Capps’ (type) section for the north lobe; H and I, east of Generc River, from GSC Map 7-1978 (Generc River). Donaldson et al. (1996) reported on a detailed lithologic and stratigraphic study...
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Zr/TiO 2  vs. Nb/Y diagram of  Winchester and Floyd (1977) , as modified by...
Published: 01 November 2014
Figure 6. Zr/TiO 2 vs. Nb/Y diagram of Winchester and Floyd (1977) , as modified by Pearce (1996) , showing the lithological classification of mafic to felsic rocks of the Barnard Glacier and Donjek Glacier suites.