Field Trips
Exploring Basin-Fill Stratigraphy and Paleodrainage Evolution of the Eastern Española Basin Half Graben
Date: Tuesday, September 13, 2016 Time: 8:00 am to 5:00 pm Cost: $115 Early/$135 Regular
(includes snacks, water & transportation) Leader: Dan Koning
Excellent exposures of well- dated basin fill of the synrift Santa Fe Group in northern New Mexico provide an ideal field laboratory to explore the influences of basin struc- ture (i.e., half-graben asym- metry) and climate on the stratigraphic architecture of half-graben basins. This vis-
its three sites in the northern Española Basin, located only 20 miles north of Santa Fe. These sites illustrate how fluvial systems changed, in a paleogeographic and sedimentologic sense, between 18 and 8 Ma due to changes in tectonic tilt- ing, paleoclimatic, and rift volcanism. We discuss how these fluvial changes impacted the stratigraphic and hydrogeologic architecture of the basin. In addition, we observe the fault zone architecture of an intra-basinal normal fault and discuss how these faults might influence groundwater flow.
The Pecos-Picuris Fault in Deer Creek Canyon
Date: Tuesday, September 13, 2016 Time: 8:00 am to 2:00 pm Cost: $115 Early/$135 Regular
(includes snacks, water & transportation) Leader: Steve Cather and Adam Read
This trip will be an easy to moderate hike up Deer Creek to view fault rocks along the Pecos-Picuris fault. This fault is the largest strike-slip fault in the southern Rocky Mountains and has 37km of right-lateral separation along it, the result of sev- eral slip events. It cuts Proterozoic granite gneiss that is spec-
6 TPG
Apr.May.Jun 2016
tacularly brecciated in Deer Creek Canyon. The damage zone is unusually wide and is very well exposed. There are also many enigmatic outcrops that will certainly pro- voke discussion.
Cottonwoods in the canyon should have great fall colors this
time of year. Bring good shoes for hiking, a small pack, sun- glasses, a hat, and a camera. The hiking on this trip will be easy to moderate and on a good trail that is fairly flat most of the way. However, the Santa Fe area is at a high elevation (7500 feet) which can pose significant problems for some people, especially if they are coming from near sea-level.
Check out our new store items. Perfect for a Field Trip or Shopping.
AIPG Drawstring Cinch Backpack
- ment holds personal or busi- ness essentials
port is great for listening to music on the go
front offer a touch of style
shipping.
Two-Tone Deluxe Classic Cotton-Canvas Tote Bag
This sturdy tote is perfect for day trips, errands and more. White durable canvas with double stitched black handles and bottom. AIPG shipping.
www.aipg.org
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