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Spring Equinox Tour of Los Morteros and Picture Rocks Petroglyphs Archaeological Sites

March 19, 2020 @ 8:00 am - 12:00 pm

Photo of equinox “sun dagger” on spiral petroglyph at Picture Rocks site, Pima County, Arizona, by Tom Herrick.

CANCELLED DUE TO COVID-19 CONCERN – Join archaeologist Allen Dart on Thursday, March 19, 2020 for Old Pueblo Archaeology Center’s “Spring Equinox Tour of Los Morteros and Picture Rocks Petroglyphs Archaeological Sites.” This tour will be held from 8:00 a.m. to noon, departing from near Silverbell Road and Linda Vista Blvd. in Marana, Arizona. There is a $25 requested donation for this tour ($20 for Old Pueblo Archaeology Center and Pueblo Grande Museum Auxiliary members).

The 2019 spring equinox occurs on March 20 at 2:58 p.m. Mountain Standard Time (9:58 p.m. GMT). To celebrate the vernal equinox and the annual Arizona Archaeology and Heritage Awareness Month, archaeologist Allen Dart (Old Pueblo Archaeology Center’s executive director) leads this tour to Los Morteros, an ancient village site that includes a Hohokam ballcourt and bedrock mortars, and to Picture Rocks, where ancient petroglyphs include a solstice and equinox calendar marker, dancing human-like figures, whimsical animals, and other rock symbols made by Hohokam Indians between AD 650 and 1450. An equinox calendar petroglyph at the site exhibits a specific interaction with a ray of sunlight on the morning of each equinox regardless of the hour and minute of the actual celestial equinox, so participants in this tour will see that sunlight interaction with the calendar glyph unless clouds block the sunlight.

Reservations and donation prepayment required by 5 p.m. Tuesday March 17. 520-798-1201 or info@oldpueblo.org.

Link to flyer: 20200319(v1)LosMorteros&PictureRocksSpringEquinoxTour

Details

Date:
March 19, 2020
Time:
8:00 am - 12:00 pm
Event Category:

Venue

Los Morteros and Picture Rocks
Depart from NE corner of Silverbell Rd/Linda Vista Blvd. in Marana, AZ
Marana, AZ, AZ United States
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