GEODE Archives - Page 10 of 10

Recent GigaPannery from Team M.A.G.I.C. & GEODE

September 16, 2024June 3, 2014 by Callan Bentley

It’s been a while since I’ve shared some of the work of our GigaPan making team. We’re gearing up for our NSF-funded summer GigaPan generating session, so it’s worth taking a look back at some of the highlights from the last couple of months of work… See if you can find (a) evidence of pressure … Read more

Antietam Formation breccia with Fe/Mn oxide cement: 2 GigaPans

January 30, 2014 by Callan Bentley

One of the intriguing rocks you find in Virginia, at the interface between the Valley and Ridge province and the Blue Ridge province, is distinctive brecciated Antietam Formation. The Antietam (sometimes known as the “Erwin,” especially in Shenandoah National Park), is a quartz arenite (quartz sandstone) that has been variably fused to quartzite in some … Read more