NEXT MEETING: Wednesday, February 20, 2019, at 6:00 PM, at 2045 Memory Lane in Silver City, New Mexico. No potluck dinner but refreshments provided. Featured speaker: GCAS's preeminent Field Trip Coordinator Greg Conlin, “Further Adventures in Peru” – slideshow of selected archaeological sites and cultures of ancient Peru.

NEXT FIELD TRIP: TBA - Watch this space!

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January 2019

February 2019

The Oldest Known Plant Virus Is in Ancestral Puebloan Corn

image from alchetron.com image from www.americansouthwest.netResearchers at Penn State reported a few months ago that they have isolated a 1000-year-old plant virus - a chrysovirus - from corncobs recovered from the Antelope House Ruin in Canyon de Chelly National Monument, Arizona. This chrysovirus is not just the first chrysovirus found in corn, but it is the oldest plant virus scientists have found to date. [Antelope House image via americansouthwest.net; virus image via alchetron.com]

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Upcoming Oil and Gas Lease Sale at Greater Chaco

Archaeology Southwest reports that on Thursday, March 28, 2019, the Bureau of Land Management (BLM) will sell certain oil and gas leases within the Greater Chaco Canyon area. They are asking concerned citizens to contact the BLM to protest this lease sale and will provide information on their website within the next several days explaining how to write an effective protest. In the meantime, some background:

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Ever Heard of Lithophones?

image from encrypted-tbn0.gstatic.comSome time ago, and during a period of many years, a few archaeologists and various amateur collectors retrieved a number of oblong stone artifacts from the area around and including the Great Sand Dunes National Park in south-central Colorado. Eventually, many of the stones were given to the museum at Great Sand Dunes National Park where they remain stored today. [Photo of Great Sand Dunes artifacts via Archaeology Podcast Network.]

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New Techniques in the Study of Human Remains

image from abm-website-assets.s3.amazonaws.comResearchers have discovered that a certain protein in tooth enamel comes from a sex-specific gene. Scientists at the University of California/Davis have taken that discovery and developed a technique by which they can determine the gender of human remains even if only a single tooth is all that is recovered. Details are in this recent article in Archaeology magazine.

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