By: nova-an-slc
Image: Callan Bentley, Mid-Atlantic Geo-Image Collection
License: Creative Commons Non Commercial ⧉

Uploaded: 8 Jan 2021
Last Updated: 25 Jan 2021

533 megapixels
27,178 x 19,615 pixels
90.6 in X 65.4 in at 300dpi
937 pixels per inch

Records a two-stage cooling process. Small crystals of quartz and feldspar formed before the lava was suddenly chilled, leaving the groundmass quite dense.