Browse Items (1651 total)

Altered Basalt-greenstone

(exotic block)

(exotic block)

(exotic block)

Thinly banded Blueschist

Dense Serpentine

Dense Blueschist

OCR PDF Supplementary information for the Flysh Molasse suite.

OCR PDF of supplemental information for the Plutonic Magma Series- Southwestern New Hampshire collection.

OCR PDF of supplemental information for the St. Francois Mountains collection.

OCR RPD of supplemental information for the Volcanic Phenomena Suite - The Hawaiian Islands of Hawaii and Oahu

OCR PDF of supplemental information for the Meta-Pelite Suite, Shelburne, Nova Scotia collection. This file outlines the descriptions of every sample in suite as well as providing geologic context to the area and the suite itself.

Image is of the North Side of the Tanzawa Mountains (Wikipedia)

OCR PDF of supplemental information of the "Sedimentary and Igneous Franciscan Assemblage - California" collection.

Macroscopic: Low-grade metamorphic (zeolite facies) black siltstone with idiomorphic pyrite porphyroblasts. Microscopic: Very fine grained quartz and muscovite with large pyrite phenocrysts. Thin section picture in XPL unless noted in the picture…

Macroscopic: Slate (low grade shale metamorphism) samples with visible thin black beds. Samples were found interbedded with siltstones represented by sample NS-1. High angle between bedding and cleavage. Microscopic: Very fine grained quartz,…

Macroscopic: Argillite bearing spessartine garnet formed through reaction with the surrounding rock during metamorphism. Microscopic: Abundant medium-sized garnet phenocrysts within a very fine grained matrix. Thin section pictures in XPL unless…