2017 CO Field Trip - Portland Cement Plant and Niobrara Quarry

Jun 23, 2017 08:30am -
Jun 23, 2017 05:00pm

Event Description

The Portland Cement Plant and Niobrara Quarry Field Trip
Friday, June 23, 2017 - Colorado



Tom Newman, CPG-07222, is leading a field trip on Friday, June 23rd, to the Portland Cement Plant and Niobrara Formation Quarry in Colorado. The AIPG National Executive Committee will also be joining the field trip while in Denver attending the Executive Committee meeting on Saturday, June 24, 2017.

The trip will leave the DoubleTree Hotel on the northeast corner of the intersection of 120th Avenue and I-25 at 8:30 am and will return by 5:00 pm. The trip is open to all Colorado Section members and guests and will not involve any strenuous hiking.

Participants will be guided through Holcim's on-site quarries where limestone from the Cretaceous Fort Hays Member of the Niobrara Formation is mined as the principal raw ingredient, and the Cretaceous Codell Sandstone is mined for use as a silica additive. Pyrite nodules and fossils may be collected from spoils piles of the Niobrara Formation. The Fort Hays Member is the principal target of the horizontal drilling programs in the Denver Basin and the quarry provides one of the best local outcrops of the Fort Hays.

The tour continues as our group is guided through the cement quarry to see the massive blending hall, corrective raw material silos, and operations control room.  Cement manufacturing is one of the most complex in industrial minerals.  The tour will be an excellent time to fully understand its manufacture.

We will see everything on the north side of the River including Quarry Tour - fossil and mineral collecting, the Mobile Equipment, Crusher, Blending Hall, etc.

Hardhats required, steel toed boots encouraged. AIPG does have hardhats available for use.


Date - Friday, June 23, 2017
Time - 8:15 am - 5:00 pm (the bus will depart at 8:30 am)
Location - Departs and returns to the DoubleTree Denver-Thornton Hotel, 83 East 120th Avenue, Thornton, CO 80233, (303) 920-8000.  The northeast corner of the intersection of 120th Avenue and I-25. 


Registration includes transportation, lunch, snacks, and water.

Event Type:Field Trip
Category:Field Trip
Early registration ends on Mar 16, 2017.
Regular registration starts on Mar 17, 2017 and ends on Jun 22, 2017.
Late registration starts on Jun 23, 2017.

Register for this event  


American Institute of Professional Geologists
1333 W. 120th Avenue, Suite 211, Westminster, Colorado 80234
(303) 412-6205 | fax (303) 253-9220 | aipg@aipg.org
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