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Happy Jack Mine

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Late Miocene (Hemphillian) burrow system at <b>Happy</b> <b>Jack</b> <b>Mine</b> (see also  Fig....
in > PALAIOS
Published: 01 November 2013
Fig. 3.— Late Miocene (Hemphillian) burrow system at Happy Jack Mine (see also Fig. 6A ). A) Photograph of burrow system with STT for scale. Note two very large and connected nest chambers (ch1, ch2), two nearly vertical entrance or exit shafts (s; 1, 2), and tunnel extending from back
Image
Late Miocene (Hemphillian) burrow system at <b>Happy</b> <b>Jack</b> <b>Mine</b> (see also  Fig....
in > PALAIOS
Published: 01 November 2013
Fig. 4.— Late Miocene (Hemphillian) burrow system at Happy Jack Mine (see also Fig. 7A ). A) Photograph of burrow system. B) Drawing of same burrow system, emphasizing multiple generations of fill with slightly different lithologic characteristics (I, IIa, IIb); multiple entrance or exit
Journal Article
Journal: GSA Bulletin
Published: 01 January 2000
GSA Bulletin (2000) 112 (1): 75–85.
...Gerald F. Wieczorek; James B. Snyder; Richard B. Waitt; Meghan M. Morrissey; Robert A. Uhrhammer; Edwin L. Harp; Robert D. Norris; Marcus I. Bursik; Lee G. Finewood Abstract Effects of the July 10, 1996, rock fall at Happy Isles in Yosemite National Park, California, were unusual compared to most...
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Diagrams of parts of late Miocene (Hemphillian) burrow systems at <b>Happy</b> Jac...
in > PALAIOS
Published: 01 November 2013
Fig. 7.— Diagrams of parts of late Miocene (Hemphillian) burrow systems at Happy Jack Mine burrow systems with type 1 chambers. See Figure 6 for abbreviations.
Image
Diagrams of parts of late Miocene (Hemphillian) burrow systems at <b>Happy</b> Jac...
in > PALAIOS
Published: 01 November 2013
Fig. 6.— Diagrams of parts of late Miocene (Hemphillian) burrow systems at Happy Jack Mine with type 2 chambers (ch), near-vertical to vertical entrance or exit shafts (s), diagonal entrance or exit tunnels (d), horizontal tunnels (t), and possible turning bays (tb). See text for further
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Striations from late Miocene (Hemphillian) rodent paired incisors at <b>Happy</b> ...
in > PALAIOS
Published: 01 November 2013
Fig. 9.— Striations from late Miocene (Hemphillian) rodent paired incisors at Happy Jack Mine. A) Photograph of striations in dome-shaped blind end of a shaft, which may have been an unfinished entrance or exit, or perhaps a refuge when the associated burrow system was flooded. B) Drawing
Image
Photographs of selected late Miocene (Hemphillian) burrow systems at <b>Happy</b> ...
in > PALAIOS
Published: 01 November 2013
Fig. 5.— Photographs of selected late Miocene (Hemphillian) burrow systems at Happy Jack Mine. A) Large stomach-shaped living chamber (ch), with possible drain (dr) extending downward from it, and vertical entrance or exit shaft (s) (see also Fig. 6G ). B) Large stomach-shaped nest chamber
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Fossils recovered from late Miocene (Hemphillian) burrow fills at <b>Happy</b> Jac...
in > PALAIOS
Published: 01 November 2013
Fig. 11.— Fossils recovered from late Miocene (Hemphillian) burrow fills at Happy Jack Mine (HJM) compared with specimens from Devil's Nest, Knox County, Nebraska (UNSM locality Kx-113). 1 mm scale bar for A–D, J. Geomyid teeth (A, C–F, H) from HJM. Pliogeomys teeth (B, G) from Kx-113. Sciurid
Journal Article
Journal: Economic Geology
Published: 01 September 2015
Economic Geology (2015) 110 (6): 1425–1454.
... = Chesterfield fault zone, DSG = Dubawnt Supergroup, HLSZ = Happy Lake shear zone, JRSZ = Josephine River shear zone, PF = Pyke fault, QM = Queen Maud block, STZ = Snowbird tectonic zone, TSZ = Tyrrell shear zone, WSZ = Wager Bay shear zone. Fig. 2 Metamorphic maps for the western Churchill Province...
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Series: Geological Society, London, Special Publications
Published: 01 January 2007
DOI: 10.1144/SP287.11
EISBN: 9781862395350
... Abstract Grenville Arthur James Cole (1859–1924), Professor of Geology at the Royal College of Science for Ireland, was an avid cyclist and shared this passion with his wife Blanche. Born in London, Cole studied at the Royal School of Mines and lectured for a number of years at Bedford College...
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Series: Society of Exploration Geophysicists
Published: 01 January 2010
EISBN: 9781560802174
Image
Histogram of diameters of tunnels and apparent tunnels from late Miocene (H...
in > PALAIOS
Published: 01 November 2013
Fig. 12.— Histogram of diameters of tunnels and apparent tunnels from late Miocene (Hemphillian) burrow systems at Happy Jack Mine. See text for further explanation.
Journal Article
Journal: Economic Geology
Published: 01 January 2017
Economic Geology (2017) 112 (1): 169–183.
... geological architecture of the western Churchill Province (inset; modified from Paul et al., 2002 ) and local geology map of the Meliadine gold district (provided courtesy of Agnico-Eagle Ltd. and modified after Barham, 2009 ). Gold deposits and the Rankin nickel mine are shown for reference. Previously...
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Series: Geological Society, London, Special Publications
Published: 01 January 2007
DOI: 10.1144/SP287.16
EISBN: 9781862395350
... Monod, who went to Mauritania on behalf of the Muséum d'Histoire Naturelle in Paris. Monod was happy to go. He had spent four years leading a sedentary life in the laboratory, and welcomed the chance to return to Africa. Abstract Théodore Monod (1902–2000), of the Muséum National d'Histoire...
FIGURES
Series: Geological Society, London, Special Publications
Published: 01 January 2007
DOI: 10.1144/SP287.21
EISBN: 9781862395350
... the disagreement with Powell, he was evidently not happy at this turn of events. In a letter of 6 June 1891 to Archibald Geikie (1835–1924), Director General of the Geological Survey of Great Britain, Dutton said that he was again fully employed by the War Department, having been promoted to major on 1 May 1890...
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Series: Geological Society, London, Memoirs
Published: 01 January 2014
DOI: 10.1144/M39.15
EISBN: 9781862396821
... the main collaborating institutions, as well as the University of East Anglia, UK, New Mexico Institute of Mining and Technology and the University of Auckland, together with local cooperation and assistance, especially from the Montserrat Volcano Observatory (MVO). Sea operations were led by colleagues...
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Journal Article
Published: 01 February 2008
Quarterly Journal of Engineering Geology and Hydrogeology (2008) 41 (1): 5–19.
... a quantitative approach to groundwater management in the UK. Jack Ineson was the key initial influence in that process. Although the science that has been developed and the schemes and activities that have been undertaken over the period have been well documented, there has been no analysis in organizational...
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Journal Article
Journal: The Leading Edge
Published: 01 May 2003
The Leading Edge (2003) 22 (5): 426–430.
.... Russia's side of the Caspian Sea and the Astrakhan region . Caspian exploration began in 1999 when Lukoil spudded the first well on the giant Severny offshore block from its Astra jack-up platform. Several offshore structures have been identified. However, Russia will have to share the development of some...
FIGURES
Series: Geological Society, London, Special Publications
Published: 01 January 2004
DOI: 10.1144/GSL.SP.2004.225.01.09
EISBN: 9781862394735
... As we have seen, steam power was adopted for pumping shaft sumps as early as 1712. However, the difficulties of building, operating and maintaining bulky steam pumps in cramped mine workings appears to have hindered the adoption of steam power for localized pumping within mines until the late 19th...
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Comparison of measurements of widths of incisor striations (e.g.,  Fig. 9 )...
in > PALAIOS
Published: 01 November 2013
Fig. 10.— Comparison of measurements of widths of incisor striations (e.g., Fig. 9 ) at Happy Jack Mine (HJM) with observed ranges of widths across upper (black bars and black circle) and lower (white bars and white circle) incisors in selected living and fossil (Hemphillian) taxa. Living taxa