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Sandstone Block and Matrix Contact with Laminated Vein

Sandstone Block and Matrix Contact with Laminated Vein

Polished sample photo and SEM-BSE map of the contact between a sandstone block and its surrounding mudstone matrix. The lower edge of the sample shows a laminated vein which was observed in the field to be part of a pervasive anastomosing network. Coming off this thick vein is another anastomosing network of thin veins.


From presentation:


I’m Alex Clarke

I am a structural geologist working as a Postdoctoral Researcher at Johannes Gutenberg–Universität Mainz and a hobbyist girl-with-camera.

My research focuses on the heterogeneities within large faults, shear zones, and subduction zone mélanges — how to map them, quantify them, and explain their origins. I am especially interested in 3D reconstructions of rocks and outcrops which allow detailed, realistic, and quantifiable models of natural phenomena. I also love to teach and I am interested in innovative and engaging methods of teaching earth sciences, both in the classroom and in the field.

In my free time, I enjoy photography and my images reflects my love of nature and the diverse forms nature can take.