By: magic-gigapans
Image: Joshua Villalobos, El Paso Community College
License: Creative Commons Non Commercial ⧉

Uploaded: 12 May 2020
Last Updated: 27 May 2020

522 megapixels
27,712 x 18,824 pixels
92.4 in X 62.7 in at 300dpi
266 pixels per inch

Proterozoic (?) age clastic dike intruding into the 1.2 - 1.4 billion year old Castner Marble in the Franklin Mountains in El Paso Texas. the Castner Marble can be divided into three distinct intervals: a lower section containing stromatolitic and cryptalgalaminite units, a middle section with thick hornfels and massive limestone beds, and an upper section of rhythmites (interlaminated to thinly interbedded carbonate and hornfels) with interbedded flat-pebble conglomerate.