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Happy Jack Mine

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Late Miocene (Hemphillian) burrow system at <span class="search-highlight">Happy</span> <span class="search-highlight">Jack</span> <span class="search-highlight">Mine</span> (see also  Fig....
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
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Late Miocene (Hemphillian) burrow system at <span class="search-highlight">Happy</span> <span class="search-highlight">Jack</span> <span class="search-highlight">Mine</span> (see also  Fig....
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
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Comparison of measurements of widths of incisor striations (e.g.,  Fig. 9 )...
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
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Histogram of diameters of tunnels and apparent tunnels from late Miocene (H...
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.
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Diagrams of parts of late Miocene (Hemphillian) burrow systems at <span class="search-highlight">Happy</span> Jac...
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.
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Diagrams of parts of late Miocene (Hemphillian) burrow systems at <span class="search-highlight">Happy</span> Jac...
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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Minimum (internal circle) and maximum (external circle) burrow diameters of...
Published: 01 November 2013
Fig. 13.— Minimum (internal circle) and maximum (external circle) burrow diameters of selected modern geomyids and marmotines described in literature (see Table 1 ), with range of fossil burrow tunnel measurements and average tunnel diameter from Happy Jack Mine (HJM). Some tunnel diameters
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Diagram of partial or complete late Miocene (Hemphillian) burrow systems ex...
Published: 01 November 2013
Fig. 8.— Diagram of partial or complete late Miocene (Hemphillian) burrow systems exposed in ceiling of Happy Jack Mine. A) System with three, short horizontal tunnels (t), three chambers (ch), and a few laterals (l). B) Simple system with a single chamber (ch). C) Single tunnel. D , E
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Striations from late Miocene (Hemphillian) rodent paired incisors at <span class="search-highlight">Happy</span> ...
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
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Stratigraphy at study site and in surrounding area.  A)  Upper Cretaceous t...
Published: 01 November 2013
as older strata (see Souders 2000 ). B) Measured section of exposed part of upper Ogallala Group—roughly equivalent to Ash Hollow Formation—in immediate area of study site, showing two fluvial fining-upward sequences capped by sheet sandstone (ss). C) Measured section in Happy Jack Mine, showing
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Photographs of selected late Miocene (Hemphillian) burrow systems at <span class="search-highlight">Happy</span> ...
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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Distribution of the deposits studied. 1: Great Bear Lake (NWT, Canada); 2: ...
Published: 01 July 2015
(Saskatchewan, Canada); 5: Kiggavik (Nunavut, Canada); 6: Echo Bay, Camray Mine, Ranwick Mine (Ontario, Canada); 7: Camie River (Quebec, Canada); 8: Ike Mine, Happy Jack Mine (Utah, USA); 9: Gilpin, Central City, Wood Lode, German Mine, Black Hawk Mine, Marshall Pass district (Colorado, USA); 10: Ingersol Mine
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Fossils recovered from late Miocene (Hemphillian) burrow fills at <span class="search-highlight">Happy</span> Jac...
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: PALAIOS
Published: 01 November 2013
PALAIOS (2013) 28 (11): 793–824.
...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...
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Journal Article
Published: 01 September 2020
Mineralogical Magazine (2020) 84 (5): 778–784.
... from the Happy Jack Mine in Comet Vale, Western Australia (Grguric et al ., 2006 ) and thought at the time to be the Ca analogue of petterdite briefly reported by Birch et al. ( 2000 ). We have examined the sample of ‘Ca-Petterdite’ from the Happy Jack mine preserved in Museums Victoria (M35586...
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Journal Article
Published: 01 July 2015
The Canadian Mineralogist (2015) 53 (4): 595–622.
... (Saskatchewan, Canada); 5: Kiggavik (Nunavut, Canada); 6: Echo Bay, Camray Mine, Ranwick Mine (Ontario, Canada); 7: Camie River (Quebec, Canada); 8: Ike Mine, Happy Jack Mine (Utah, USA); 9: Gilpin, Central City, Wood Lode, German Mine, Black Hawk Mine, Marshall Pass district (Colorado, USA); 10: Ingersol Mine...
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Journal Article
Published: 01 December 2004
The Canadian Mineralogist (2004) 42 (6): 1893–1895.
... “whatever you do, you have to learn to sell yourself and you might as well learn it selling in Eatons.” It is true that selling is important, but I also learned I had to do something I enjoyed if I wanted to have a happy career. This brought me back to geology, it fascinated me, jobs were plentiful, and you...
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Journal Article
Published: 01 April 2022
Geochemical Perspectives (2022) 11 (1): 140–152.
... communicating on paper about paper. Having caged himself in, built himself in brick walls, concrete and iron and glass, man has shut himself out from the earth. Now there are certain individuals happy in such an atmosphere. They are urban, they believe in the paper world, the reality being, to them, a nasty...
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Series: GSA Field Guide
Published: 01 January 2002
DOI: 10.1130/0-8137-0003-5.33
EISBN: 9780813756035
... ( 1992a, b ) suggest that these data indicate that the southern part of the Emery Uplift was active during deposition of the chert-pebble conglomerate. To the east of North Wash, in the vicinity of the Happy Jack Mine, the TR-1 unconformity overlies the Permian Organ Rock Formation. Although...
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Journal Article
Journal: Palynology
Published: 02 April 2020
Palynology (2020) 44 (2): 195–204.
..., on the 17th of November 1938. His parents were Fenwick Owens and Annie Owens ( née Graham) and Bernard had an older brother, Gordon. Fenwick Owens was a mechanical engineer from Coundon, a mining village in County Durham. He installed and maintained rock processing plant in quarries. Unfortunately, Fenwick...
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