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Internal boudin of black chert within block of white chert

Internal boudin of black chert within block of white chert Annotations overlay Labels overlay

Internal boudin of black chert within block of white chert featuring internal boudinage & anastomosing fracture cleavage. As this mélange was never subducted to depths of quartz crystal-plasticity, this ductile deformation must have occured prior to lithification.


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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.