Tinted detail of a photo: Aerial view of steep limestone mountain ridges whose pale rock layers are tilted almost vertical, with green grassy slopes between them, a deep shadowed valley and a building with a mast on the left summit.
TS
Tectonics and Structural Geology

mineral lineation

Features from the Field: Stretching Lineations

Features from the Field: Stretching Lineations

Deep beneath our feet, deformation of rocks at high temperature produces impressive structures such as shear zones, that localize the movement of two volumes of rock with respect to one another. Shear zones are strongly deformed bands with strongly foliated structures (i.e., with rocks that look like a pile of leaves) and kinematic indicators, such …[Read More]