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Sat.-Sun., Dec. 1-2, Dave Bunk Minerals, annual end-of-year open house and mineral specimen sale.  All are welcome: at his shop, 5695 Yukon St., Olde Town Arvada; 10 a.m. – 6 p.m. Sat., 10-5 Sun.


Mon., Dec. 3, 3:00 p.m., Denver Museum of Nature & Science, Earth Science Colloquium, The Improbable Fossil Record of Jellyfish and Their Kin, by Graham Young, Manitoba Museum. VIP Room, Museum admission not required.


Mon., Dec. 3, 6:00 p.m., monthly meeting of DREGS (Denver Region Exploration Geologists’ Society), featuring a talk by Ned Sterne, Consulting Geologist, “A restorable, crust-scale cross section traversing the Colorado Rocky Mountains along Interstate 70—Possible structural implications for the distribution of some Colorado mineral deposits???”

Berthoud Hall Room 241, Colorado School of Mines campus, Golden; social time with refreshments at 6 p.m., program at 7. All are welcome.  Ned Sterne gave another version of this talk to the Colorado Scientific Society in October.


Thurs., Dec. 6, 7:00 p.m., Friends of the Colorado School of Mines Geology Museum “First Thursday” program and Annual General Meeting. Featuring an introduction of and a talk by Renate Lafler, FGA, the new Executive Director of the CSM Museum. Refreshments served; all are welcome to attend, to come meet Renate and learn more about the Friends and the future of the CSM Museum. In GRL 201, the large conference room across the hall from the Museum.


Fri.-Sat.-Sun., Dec. 7-9, Flatirons Rock and Mineral Show, “Rocks & Rails”; Boulder County Fairgrounds, Exhibit Building, 9595 Nelson Rd., Longmont CO. The Flatirons Mineral Club Rock & Mineral Show is combined with the Boulder Model Railroad Club Model Railroad Exposition. 10 a.m. – 5 p.m. each day, adult admission $5. See .


Sun., Dec. 9, 2:00 p.m., WIPS (Western Interior Paleontological Society) annual auction. Clements Community Center, 1580 Yarrow St., Lakewood. “All are welcome to attend; proceeds benefit grants & scholarships in paleontology; earth science books; fossils, fossil replicas, minerals, art, “you never know what you’ll find”; potluck refreshments provided by our members”.  Doors open at 2 p.m. for setup, silent and verbal auctions take place from 3 to 5 p.m.


Tues., Dec. 11, 5:30 p.m., Rocky Mountain Map Society, monthly meeting, “How maps reveal (and conceal) our history”, by Susan Schulten, University of Denver; Denver Public Library, 5th floor, Gates Room, free and open to the public.


Tues., Dec. 11, 6:30 p.m., at the Denver Museum of Nature & Science, Gates Planetarium, “Cities, and a World, at Risk”, by Dr. Bob Raynolds. Colorado Scientific Society annual President’s Address; 6:30 p.m. social time, 7:00-9:00 p.m., presentation and discussion.  All are welcome; no admission charge. See for more information.


For more lecture series during the year see:

Colorado Beer Talks (2nd Tuesday, 6-8 p.m.), Windy Saddle Café, 1110 Washington Avenue, Golden, “Golden’s grassroots version of TED talks, Expand your mind with a beer in your hand”,

Colorado Café Scientifique in Denver, monthly lectures on science topics held either at Blake Street Station or Brooklyn’s, Denver; open to the public, no charge other than refreshments you may choose to purchase; see .

Colorado Scientific Society (3rd Thursday, 7 p.m.), see . Meets at Shepherd of the Hills Church, 11500 W. 20th Ave., Lakewood CO, except when noted.

CU Geological Science Colloquium (Wednesdays, 4 p.m.) see

CSU Dept. of Geoscience Seminars (Fridays, 4 p.m.), see

Van Tuyl Lecture Series, Colorado School of Mines, (Thursdays, 4 p.m.):

Denver Mining Club (Mondays, 11:30), see .

Denver Museum of Nature and Science, Earth Science Colloquium series, 3:00-4:00 p.m., VIP Room unless noted, day of the week varies. Museum admission is not required; see

Denver Region Exploration Geologists Society (DREGS; 1st Monday, 7 p.m.),

Florissant Scientific Society (FSS); meets monthly in various Front Range locations for a lecture or field trip; meeting locations vary, normally on Sundays at noon; all interested persons are welcome to attend the meetings and trips; see for details and schedules.

Nerd Night Denver is a theater-style evening featuring usually 3 short (20-minute) TED-style talks on science or related topics; held more-or-less monthly at the Oriental Theater, 4335 W. 44th Ave., Denver; drinks are available; for ages 18+.  Admission is $6 online in advance, $10 at the door. See .

Rocky Mountain Map Society (RMMS; Denver Public Library, Gates Room, 3rd Tuesday, 5:30 p.m.),

Western Interior Paleontological Society (WIPS); beginning January, 2019, WIPS will meet on the 1st Monday of the month, 7 p.m., at Lowry Conference Center,1061 Akron Way, Denver;

Thanks to Peter J. Modreski for keeping us up to date!
To be added to his email list for upcoming events, send request to
pmodreski @