Rocks Associated with Plate Boundaries Collection

Developed by the National Association of Geology Teachers

This set contains rocks typically formed in association with diverging plates; igneous, sedimentary, and metamorphic rocks are represented. An extensive, illustrated guide gives background information and a chart contains a description of the characteristics and formation of each rock. The set is housed in a compartmented collection box.Contents:12 numbered samples, 1×2" Rocks: Ophiolite:basalt, chert, eclogite, gabbro, peridotite Melange:actinolite schist, glaucophane schist, serpentine Magmatic:andesite porphyry, gneiss, granite, rhyolite ignimbrite