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NEXT MEETING: Wednesday, April 16, 2025, 6:00 PM at 2045 Memory Lane in Silver City, New Mexico. The GCAS's next monthly IN-PERSON ONLY meeting features speaker geoarchaeologist Dave Rachal PhD of Tierra Vieja Consulting in Las Cruces NM. Doors open at 6:00 PM with light refreshments on offer. Socializing and a brief-to-nonexistent business meeting will immediately precede Dave's presentation of: How Did The Seeds Get There? Ruppia cirrhosa Ecology, Depositional Context and Accurate Radiocarbon Dating at White Sands: "The stratigraphic and geomorphic contexts, and ultimately the chronometric determinations, at White Sands Locality-2 (WHSA-2) are topics of controversy that stem from conflicting interpretations of the processes that deposited the Ruppia cirrhosa (Ruppia) seeds within the paleo-Lake Otero footprint site....[O]ur interpretation depicts the shoreline as an unstable, dynamic lake margin to which Ruppia seeds...were transported from deep-water, offshore growth beds during storm events and deposited on the lake shore in seed balls. These unusual aggregates, known to mix seeds of wide-ranging ages, were gradually broken apart by several cycles of wave action and erosion and redeposited in layers....[W]e will delve into both the ecology and the depositional context of Ruppia and discuss why the Ruppia seeds at paleo-Lake Otero are problematic materials for radiocarbon dating." Check out Dave's and Tierra Vieja Consulting's YouTube videos (links are on our Events page) and bring your questions for him!

NEXT FIELD TRIP: Sunday, April 6, through Tuesday, April 8, 2025: Lyman Lake State Park/Springerville/Casa Malpais AZ. Sunday-Monday, explore Lyman Lake's petroglyphs & archaeological site on your own or with a group. On Tuesday 4/8, we have guided tour of Casa Malpais archaeological site. Reservations are required for ONLY the guided tour to the Casa Malpais site but we must give them a final tally no later than March 23, 2025, so please let trip co-leader Torie Grass ([email protected]) or Eduardo Argüello ([email protected]) know to put you on the list. More details available in newsletter and on Events page of this website, and in the blog posts below. As usual for any GCAS field trip, wear sturdy shoes and pack sun protection & water. See you there!

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February 2025

January 2025

Jornada Research Institute Presentations

01/31/2025

In addition to the Jornada Research Institute’s ongoing excavations at Creekside Village during the winter 2025 season, the JRI's series of in-person presentations includes:

Saturday, February 15, in El Paso: Archaeoastronomy Associations of the Great Kiva at Creekside Village by Dave Greenwald;

Tuesday, February 18, in Alamogordo: Archaeoastronomy Associations of the Great Kiva at Creekside Village by Dave Greenwald;

Tuesday, March 4, in Mountainair: Archaeoastronomy Associations of the Great Kiva at Creekside Village by Dave Greenwald;

Please contact Dave Greenwald at [email protected] or 575-430-8854 for details of times and locations for all presentations listed above.

Wednesday, March 19, in Albuquerque: Native American Graves Protection and Repatriation Act one-day class by Jeffery Hanson; contact Jeffery directly at [email protected] or 817-658-5544 for registration fees and other details.

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Jornada Research Institute - Upcoming Events

01/17/2025

In addition to the Jornada Research Institute’s ongoing excavations at Creekside Village during the winter 2025 season, the JRI is offering a series of in-person presentations including:

Tuesday, January 21, in Alamogordo: Gypsum Overlook – An Early Archaic Period Structural Site in Tularosa Basin by Matt Cuba;

Saturday, February 15, in El Paso: Archaeoastronomy Associations of the Great Kiva at Creekside Village by Dave Greenwald;

Tuesday, February 18, in Alamogordo: Archaeoastronomy Associations of the Great Kiva at Creekside Village by Dave Greenwald;

Tuesday, March 4, in Mountainair: Archaeoastronomy Associations of the Great Kiva at Creekside Village by Dave Greenwald;

Please contact Dave Greenwald at [email protected] or 575-430-8854 for details of times and locations for all presentations listed above.

Wednesday, March 19, in Albuquerque: Native American Graves Protection and Repatriation Act one-day class by Jeffery Hanson; contact Jeffery directly at [email protected] or 817-658-5544 for registration fees and other details.

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An Intriguing Zoom Presentation

01/09/2025

Thursday, January 16, 2025: FREE online via Zoom, 7:00-8:30PM (ARIZONA/Mountain Standard Time): Old Pueblo Archaeology Center's “Third Thursday Food for Thought” program presents If the Shoe Fits: Subarctic-style Moccasins and the Apachean Journey from the Northern Dene Homeland to the Precontact Southwest by HDR Archaeologist Kevin P. Gilmore, PhD.

BSM Type 2(Bb) moccasin from Montezuma Castle, Arizona,
photo adapted from “If the Shoe Fits” article
by Kevin P. Gilmore, Edward A. Jolie, and John W. Ives
(2024, Journal of Arizona Archaeology 10(2):145-162)

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