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Fig-Tree Gulch

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Series: GSA Field Guide
Published: 01 January 2008
DOI: 10.1130/2007.fld010(05)
EISBN: 9780813756103
... central Colorado, has produced abundant evidence suggesting Paleoindians made regular use of the area ( Naze, 1986; Kornfeld and Frison, 2000 ). Barger Gulch, a heavily incised tributary drainage of the Colorado River in western Middle Park ( Fig. 1 ), contains at least 11 known Paleoindian localities...
FIGURES | View All (9)
... of D.S. Jordan (Stanford University Archives) describe an oak tree that was translated 16.5 ft (5 m) to the south, where it hit a ridge (Fig. 8 ). D.S. Jordan wrote: We have interpreted the location of the sketch to be the wind gap on the Vedanta Retreat based on the description, the map...
FIGURES
Journal Article
Journal: GSA Bulletin
Published: 01 November 2011
GSA Bulletin (2011) 123 (11-12): 2266-2276.
... the deposition of package V. Site BG-B is located on the west face of a 10- to 12-m-high fill terrace occupying an internal meander bend between a short initial slot canyon and the more continuous and extreme constriction of Buckskin Gulch just downstream ( Fig. 2 ). Correlative deposits mantle...
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Series: GSA Field Guide
Published: 01 January 2013
DOI: 10.1130/2013.0033(01)
EISBN: 9780813756332
... these crystalline rocks moved tens of millions of years ago. Trees pry blocks off the hillslopes by root growth in cracks (Fig. 12). We drive past Boulder Falls, a discrete knickpoint in North Boulder Creek near its confluence with Middle Boulder Creek. The road follows Middle Boulder Creek. For the next few...
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Journal Article
Journal: Palynology
Published: 01 December 2010
Palynology (2010) 34 (2): 180-194.
... are dominated by 4-pored grains (42–67% of total alder), with no exceptions. There is a striking transition to a 5-pored dominance (32–67%) with an accompanying increase in 6-, 7-, and even 8-pored grains in outcrops of the Sterling Formation along the Cook Inlet shore, north of Clam Gulch and at the head...
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Series: GSA Field Guide
Published: 01 January 2016
... and the possibility that Leyden Gulch could capture Coal Creek, to look at the large rocks falling off the mountain and traveling through housing, at the Red Rocks Amphitheatre as a scenic area where geology is described for the public, and at the fossil oil reservoir and roll-front uranium deposit exposed...
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Series: Field Guide
Published: 01 January 2003
DOI: 10.1130/0-8137-0004-3.1
EISBN: 9780813756042
..., English, and U.S. citizens to this area. The fur trade was established in 1810, and gold was discovered in 1860. The town of Spokane Falls was platted by James Glover in 1878, and the Northern Pacific Railroad reached the town site in 1881. In 1923, Professor J Harlen Bretz ( Fig. 2 ) of the University...
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Image
Figure 2. Partly buried juniper <b>tree</b> showing root collar or germination hor...
Published: 01 December 2002
Figure 2. Partly buried juniper tree showing root collar or germination horizon at The Cockscomb near Kaibab Gulch (CKG in Fig. 1 and Table 2 ). Tree germinated at ca. 1440 on decomposed bedrock. Scale is 1.4 m long with 20 cm divisions. Stratigraphic detail shown in Figure 7
Image
—View looking east at Prospect Mountain Quartzite (Cpm) thrust over Pogonip...
Published: 01 May 1966
Fig. 6. —View looking east at Prospect Mountain Quartzite (Cpm) thrust over Pogonip Group (Opk) near Copper Gulch. Tree-covered hill in foreground is in quartz monzonite. Normal faulting has displaced thrust in canyon at left.
Journal Article
Journal: GSA Bulletin
Published: 01 July 2004
GSA Bulletin (2004) 116 (7-8): 923-937.
... Valley (Fig. 1) . At both “Sisters Gulch” and “Hamilton Gulch” study sites (Fig. 1) , fans are formed at the mouths of small tributaries that flow northeast from Greenwood Ridge and are situated in old-growth redwood ( Sequoia sempervirens ) forest. Bankfull stream power per unit bed area...
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Journal Article
Published: 01 June 2013
The Canadian Mineralogist (2013) 51 (3): 415-438.
... holes 80-40 and 80-41 in the Yukon Geological Survey core library were studied. The Ray Gulch tungsten deposit is located in the Yukon Territory northeast of the Tintina fault in the Cassiar Terrane ( Fig. 1 ). The mineralization is hosted by the Neoproterozoic to Early Cambrian Hyland Group...
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Image
This sketch of late Cenozoic loess stratigraphy at the east end of Gold Hil...
Published: 01 January 2009
are indicated in four vertical trenches in Gold Hill Loess: 1, 2, 3, 4 (see Fig. 5 ). Black bar—normal polarity; white bar—reversed polarity; diagonal lines—covered or no polarity recorded. Ages of polarity units are from standard geomagnetic time scales ( Shackleton et al., 1990 ; Valet and Meynadier, 1993
Series: GSA Field Guide
Published: 01 January 2010
DOI: 10.1130/2010.0018(05)
EISBN: 9780813756189
... of previously existing channels. Several of the larger channels near the head of the fan were incised 1–2 m by the debris flows. Most of the debris flowed down the eastern one-half of the fan (Fig. 18 ). Most of the trees that had been sheared off in Weldon Gulch, as well as old dead trees that had been...
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Journal Article
Journal: GSA Bulletin
Published: 01 January 2009
GSA Bulletin (2009) 121 (1-2): 294-320.
... are indicated in four vertical trenches in Gold Hill Loess: 1, 2, 3, 4 (see Fig. 5 ). Black bar—normal polarity; white bar—reversed polarity; diagonal lines—covered or no polarity recorded. Ages of polarity units are from standard geomagnetic time scales ( Shackleton et al., 1990 ; Valet and Meynadier, 1993...
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Journal Article
Journal: AAPG Bulletin
Published: 01 May 1962
AAPG Bulletin (1962) 46 (5): 592-609.
... at the London Gulch Section. Rock units shown include the Pogonip Group (Units O pb through O pf , Eureka Quartzite (O e ), Ely Springs Dolomite (O es ), and younger rocks which are not readily distinguished in this view). Fig. 3. —West face of the Arrow Canyon Range at the Reunion Gulch Section...
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Journal Article
Journal: AAPG Bulletin
Published: 01 November 1950
AAPG Bulletin (1950) 34 (11): 2200-2222.
... mm., basal unit, Sloss and Laird’s beds of undetermined age, Logan section B. FIG. 4. —Numerous angular quartz grains in iron-stained carbonate matrix, diameter 1.8 mm., upper unit, Sloss and Laird’s beds of undetermined age, Logan section B. Section in Nixon Gulch .—The Nixon Gulch...
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Journal Article
Published: 05 July 2000
Canadian Journal of Earth Sciences (2000) 37 (7): 983-996.
... (UT1053) in White Channel gravels at locality 15 (Table  1 ). Quartz Creek tephra (UT1053, UT1001) is interstratified with sands and silts in the upper part of the White Channel gravels (Fig.  4E ). In places, this tephra bed drapes into ice-wedge casts or is cut by them. Mosquito Gulch (UT19...
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Journal Article
Journal: AAPG Bulletin
Published: 01 May 1966
AAPG Bulletin (1966) 50 (5): 901-920.
...Fig. 6. —View looking east at Prospect Mountain Quartzite (Cpm) thrust over Pogonip Group (Opk) near Copper Gulch. Tree-covered hill in foreground is in quartz monzonite. Normal faulting has displaced thrust in canyon at left. ...
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Journal Article
Published: 01 September 2007
Journal of Paleontology (2007) 81 (5): 895-916.
... the Bear Gulch Limestone of the Mississippian of Montana of Tyrannophontes cf. theridion . However, with only a few specimens available, it was not formally described. Further discoveries among Paleozoic proto-mantis shrimp, however, occurred with the description of a species from the Mississippian...
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Journal Article
Journal: GSA Bulletin
Published: 01 December 2002
GSA Bulletin (2002) 114 (12): 1550-1563.
...Figure 2. Partly buried juniper tree showing root collar or germination horizon at The Cockscomb near Kaibab Gulch (CKG in Fig. 1 and Table 2 ). Tree germinated at ca. 1440 on decomposed bedrock. Scale is 1.4 m long with 20 cm divisions. Stratigraphic detail shown in Figure 7 ...
FIGURES | View All (9)