NAGT Rock and Mineral Exchange - Desired https://nagt.org/nagt/teaching_resources/exchange/index.html Science Department Head/Earth Science Teacher https://nagt.org/nagt/teaching_resources/exchange/postings/240815.html Thu, 03 Dec 2020 00:00:00 -0600 https://nagt.org/nagt/teaching_resources/exchange/postings/240815.html Small rural school needs a classroom rock and mineral collection https://nagt.org/nagt/teaching_resources/exchange/postings/240814.html Thu, 03 Dec 2020 00:00:00 -0600 https://nagt.org/nagt/teaching_resources/exchange/postings/240814.html #50States50Rocks https://nagt.org/nagt/teaching_resources/exchange/postings/197184.html Fri, 12 Jan 2018 00:00:00 -0600 https://nagt.org/nagt/teaching_resources/exchange/postings/197184.html Precambrian chert. Stromatolites. https://nagt.org/nagt/teaching_resources/exchange/postings/169280.html Tue, 03 Jan 2017 00:00:00 -0600 https://nagt.org/nagt/teaching_resources/exchange/postings/169280.html Deformation Microstructures https://nagt.org/nagt/teaching_resources/exchange/postings/241833.html Fri, 12 Feb 2021 00:00:00 -0600 https://nagt.org/nagt/teaching_resources/exchange/postings/241833.html