R.R. 21 Diabase

Title: R.R. 21 Diabase
Description: Piece of diabase taken from the center of the boulder field at Ringing Rocks Park, Pennsylvania. In hand sample, exterior of the rock appears felsic, however, it is truly mafic. Once broken, the internals of the rock reveal a porphyritic texture. Coordinates - (40.5625 N, 075.1294 W)
Identifier: R.R.21
Mediator: Tamara Carley
Rights Holder: Lafayette College Department of Geology and Environmental Sciences

Media: https://exhibits.lafayette.edu/geology/files/original/b07ed093eb6f2874208e13a7abdac4f6.jpg; https://exhibits.lafayette.edu/geology/files/original/36401aafd93db071065077d3774dc5d2.jpg; https://exhibits.lafayette.edu/geology/files/original/d5d76b9f94d57d2f1338868d87f049c1.jpg; https://exhibits.lafayette.edu/geology/files/original/3cefe45437cf7c3ed56ce50441913a36.jpeg; https://exhibits.lafayette.edu/geology/files/original/ccf7c7ccf21bbf3f0ac239f93cd24972.jpeg