Field Notes - 2010-04

Eastern Mojave Vegetation	Field Notes (Continued)
	Tom Schweich

Topics in this Article: 1800s 1900s 1910s 1920s 1930s 1940s 1950s 1960s 1970s 1980s 1990s 1991 1993 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2008 Tour de Swertia albomarginata Mono Lake, August 2008 2009 2010 2010s 2011 2012 2013 2014 2015 2016 2017 2018 2019 Contents Literature Cited		When I first read the field notes of Annie Alexander and Louise Kellogg, I was fascinated by the descriptions they wrote about the places they went and the plants and animals they found there. By publishing my field notes on the Internet I hope to follow a little bit in their tradition.
		2010
		Thursday, April 21, 2010
Other articles: California Highway 58 near Tehachapi Locations: Tehachapi. View of Tehachapi after a small snow storm in April 2010
Other articles: Helendale Road near CA Hwy 58 Helendale Road, near the north end at CA Hwy 58
Other articles: Helendale Road near Helendale Helendale, as seen from the north.
Other articles: U. S. Highway 66 near unknown road Road Junction; National Trails Highway and unknown road.		Turn off from National Trails Highway "Old US Highway 66" to an unknown road.
Other articles: Unknown Road at Stop P-5 Field Trip Stop P-5
Other articles: Unknown Road on the bluff The Mojave River and Helendale.
Other articles: Unknown Road on the bluff The Mojave River looking toward Wild Crossing
Literature Cited: - Reynolds, Robert E., and David M. Miller, 2010. Other articles: Unknown Road on the bluff The route north.		The route through these little hills, as described in Reynolds & Miller (2010) is from north to south. I did it from south to north, so I went down this little canyon, If you're following the field trip guide, you'll come up the little canyon.
Other articles: Unknown Road near Stop P-4 Approximate Location of Field Trip Stop P-4
Other articles: Indian Trail near Indian Trail U. S. Highway 66 near Indian Trail Indian Trail Road off of Old US Hwy 66
Other articles: Indian Trail near Mojave R. Locations: Mojave River. The Mojave River at Wild Crossing
Other articles: Unknown Road near rd jct Road along the Union Pacific tracks.		Road along UP tracks gives access to Stop P-3.
Other articles: Unknown Road at unk rd 6 Unknown Road at unk rd 5 Road up to the top of the bluff.
Other articles: Unknown Road near Stop P-3 Near Field Trip Stop P-3
Other articles: Unknown Road near Stop P-3 Near Field Trip Stop P-3
Other articles: Unknown Road at complex jct Take the middle road.		If you're following the route in reverse order, i.e., from south to north, it can be hard to find the route down off the bluff. There are three routes north. The westernmost dead ends at a fine viewpoint. The easternmost goes into the housing development. Take the middle route shown here.
Other articles: Hinkley Road at Mojave R. Locations: Mojave River. The Mojave River at Hinkley Road
Other articles: North 1st Avenue at Barstow Depot The Barstow Depot.
Other articles: Old California Highway 58 in Barstow Welding project beside the road.
		Friday, April 22, 2010
Locations: Zzyzx. Main building.
Presentation by Steve Rowland of UNLV
		Saturday, April 23, 2010
Other articles: Afton Road Shore of Lake Manix Field Trip Stop on the shores of Lake Manix
Other articles: Afton Road Shore of Lake Manix Locations: Buwalda Ridge. Buwalda Ridge from Afton Road
Other articles: Dunn Road at Stop Q-3 Field Trip Stop: Dunn Wash Gravel Quarry.
Other articles: Dunn Road at Stop Q-3 Coll. No. 588, Mentzelia obscura Coll. No. 588, Mentzelia obscura	588	Mentzelia obscura H. J. Thomps. & J. E. Roberts. Pacific Blazingstar. Dunn, San Bernardino County, California. On the edge of a quarry, off powerline road, at the end of Arrowhead Trail, 1.7 miles by road from Afton Road exit (Exit 221) of US Interstate 15, 1.2 miles by air northeast of Dunn, California. 35.0628°N, 116.4336°W. WGS 1984. Elev. 526 m. Flowers seem small. Very similar to M. albicaulis except for seeds, which are rounded and rounded-papillate. Characters observed: Flower bract entire, light-colored, texture puberulent with long hairs; Petals 5 (not 8), < 8 mm (measured 5-6 mm); Fruit 15 mm long by 2 mm dia.; Seeds in multiple rows above the ovary; Seed angles rounded, surface rounded-papillate.
Other articles: Dunn Road at Stop Q-3 Desert Iguana (Dipsosaurus dorsalis) in Lake Manix deposits.
Other articles: Dunn Road at Stop Q-3 Sahara Mustard in the Lake Manix sediments
Other articles: Unknown Road at Stop Q-4 Locations: New Dunn. Union Pacific passes the site of Dunn.
Other articles: Unknown Road at Stop Q-4 Looking at root casts high in the section of the Afton Arm of Lake Manix
Other articles: Unknown Road at Stop Q-4 Field Trip Stop at New Dunn
Other articles: Unknown Road at Stop Q-5 Air Photo showing Buwalda Ridge and Manix Wash
Other articles: Unknown Road at Stop Q-5 Field discussion of the history of Lake Manix
Other articles: Unknown Road at Stop Q-5 The Mojave River flows past Buwalda Ridge.
Other articles: Unknown Road at Stop Q-5 Field discussion of the source of the Manix Ash in the Lake anix sediments
Other articles: Unknown Road at Stop Q-5 Two fossil bones weathered out of Lake Manix sediments.
Other articles: Unknown Road at Stop Q-5 Discussion of the depositional environment of the Lake Manix sediments.
Other articles: Unknown Road at Stop M-1 Locations: Harvard Hill. Structure of south Harvard Hill
Other articles: Unknown Road at Stop M-1 David Miller shows the location of the thrust fault.
Other articles: Unknown Road at Stop M-1 View south across Mojave River from Harvard Hill.
Other articles: Jeep Trail Columbia/Gem Mine Area. View north from Columbus/Gem mine.
Other articles: Jeep Trail Columbia/Gem Mine Area. Overturned section of Barstow Formation at Columbus/Gem Mine
Other articles: Jeep Trail outcrop of PST Eastern Mojave Geology near Columbus/Gem mine Outcrop of Peach Spring Tuff
		Sunday, April 24, 2010
Other articles: Power Line Road #2 (Middle) at M-5 Fluvial gravels at base of Barstow formation.
Other articles: Mule Canyon Road at Emerald Basin What we saw in the Emerald Basin.
Other articles: Mule Canyon Road at Emerald Basin Getting the explanation of Emerald Basin.
Other articles: Mule Canyon Road at Emerald Basin Emerald bed in the Barstow Formation		The Emerald bed of the Barstow Formation. The mineral making the green color is Celadonite, a greenish mineral of hydrated iron, magnesium, potassium silicate containing small amounts of aluminum, calcium, sodium, and numerous trace elements.
Other articles: Mule Canyon Road near Little Borate General view of Little Borate
Other articles: Mule Canyon Road near Little Borate Chevron folds in Barstow Formation at Little Borate
Other articles: Mule Canyon Road at Tin Can Alley View down Tin Can Alley.
Other articles: Owl Canyon Road at Camp 28 Discussion of Barstow Formation in Camp Site #28
Other articles: Owl Canyon Road at Camp 28 Barstow Formation opposite Camp Site #28
Other articles: Owl Canyon Road at Camp 28 Stromatolites in the Barstow Formation
Other articles: Owl Canyon Road at camp host Locations: Owl Canyon Campground. The Owl at Owl Canyon Campground.
Other articles: Irwin Road north of Barstow Barstow as seen from Irwin Road
Other articles: Unknown Road at Field Trip Stop Stromatolitic limestone
Other articles: Stoddard Valley Road at Stop M-12 Looking north from Daggett Ridge
Other articles: Stoddard Valley Road at Stop M-12 Eastern Mojave Geology on Daggett Ridge Field Trip Stop M-12
Other articles: Stoddard Valley Road at Stop M-12 Eastern Mojave Geology on Daggett Ridge Field Trip Stop M-12
Other articles: Stoddard Valley Road at unk rd 3 Unknown Road at Stoddard Vy Intersection of Oxford and Gloucestor
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If you have a question or a comment you may write to me at: tas4@schweich.com I sometimes post interesting questions in my FAQ, but I never disclose your full name or address.	[Home Page] [Site Map] Date and time this article was prepared: 10/20/2019 10:02:08 AM

2010

Thursday, April 21, 2010

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Saturday, April 23, 2010

Sunday, April 24, 2010