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!

A Special Thank-You
Next GCAS Meeting Welcomes Kristin Corl as Featured Speaker

22d Mogollon Conference repost: Save these dates!

Thursday, October 3 through Saturday, October 5, 2024, Silver City NM: It's the 22d annual Mogollon Conference, hosted by WNMU and the Museum at Fleming Hall.

The Museum will host a complimentary reception for attendees on the evening of October 3 before the two-day conference gets underway on Friday and Saturday at the Bessie Forward GRC on the WNMU Campus. Registration for the conference sessions is $45/person until September 19; thereafter $55/person. BUT: special offer to GCAS members! The Museum needs 3-4 volunteers to help with registration at the conference and would waive the registration fee for those folks! Contact Museum Director Danni Romero to volunteer; check the Mogollon Conference website for all other developing info including fees for the October 4 banquet and the Sunday, October 6 Mimbres Foundation reunion:

Mimbres crew 1975 front of Wood Housefollowing the official conclusion of the Mogollon Conference, something special is afoot for Sunday, October 6, 2024, 10:00 AM-12:00PM noon, at the Mimbres Culture Heritage Site, Mimbres, NM. It will be the 50th reunion of Mimbres Foundation alumni will be held at the MCHS and the Mattocks Site where they spent four seasons of archaeological excavations in the mid-1970s. A tour of the archaeological site and the historic buildings is planned for the morning, with light refreshments on offer. Everyone is welcome to attend by reservation only with a contribution of $5 per person to offset expenses of refreshments and supplies. For preliminary details and to reserve a spot, Email the GCAS to sign up for the reunion only; or instead register for this reunion when signing up for the rest of the Mogollon Conference. Let's make October 6 a memorable day for the Mimbres Foundation alumni!

/s/ webmaster

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