Browse Collections (34 total)

(KBR) Karroo Igneous Complex -- Birds River, South Africa


The Birds River Complex is a "Bell-Jar" intrusion first described by du Toit in 1905 and then by Ealey and Robey in 1976. One of the best exposed…

Contributors: Dr. Brian Lock, Rhodes University, Western Minerals, Inc.

(HA) Volcanic Phenomena Suite -- The Hawaiian Islands of Hawaii and Oahu

Hand Sample

These 31 samples comprise a collection of volcanic rocks associated with the hot-spot volcanism of the Hawaiian Islands. Samples were collected from…

Contributors: Western Minerals, Inc.

(SFM) Igneous Suite -- St. Francois Mountains, Southeastern Missouri

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This collection is composed of igneous volcanic and intrusive rocks from the St. Francois Mountains of Missouri. The variation within the collection…

Contributors: Western Minerals, Inc.

(NS) Meta-Pelite Suite -- Shelburne, Nova Scotia


Samples from the Shelburne area representative of the full range of metamorphic grades. This suite includes a high grade pelitic xenolith as well as…

Contributors: Western Minerals, Inc.

(FM) Flysch Stratigraphic Suite -- Molasse Basin, Switzerland


Flysch is dominantly a turbidite succession, alternating sandstone and shale 100mm to rarely 100m in syntectonic accumulations. With a rising landmass…

Contributors: Western Minerals, inc.

(FR) Sedimentary and Igneous Franciscan Assemblage Suite -- California


This 14 sample collection primarily consists of clastic sedimentary rocks with metamorphic and igneous components, representing a Franciscan…

Contributors: Western Minerals, Inc. - Collection was supervised by Dr. Frederick C. Marshall, Assistant Professor of Geology at Principia College.

(NH) Plutonic Magma Series -- Southwestern New Hampshire

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A sampling of the four plutonic stages of the New Hampshire series. This encompasses the Bethlehem Gneiss, the Kinsman Quartz Monzonite, the Spaulding…

Contributors: Western Minerals Inc.

(TMJ) Quartz-rich Metamorphic Suite -- Tanzawa Mountains, Kanto, Japan

Andesite Tuff

The Tanzawa Mountains in Japan were created in an arc-arc collision, when the Izu-Bonin-Mariana Arc was subducted beneath the Honshu Arc. This…

Contributors: Western Minerals, Inc.

(ADK) Anorthosite-Charnockite and Metamorphic Suite --
Adirondack Mountains, New York


The Adirondack Mountains of northern New York State are underlain by approximately 20,000 square miles of complexly deformed, high grade metamorphic…

Contributors: Western Minerals Inc.

(PPC) Franciscan Assemblage Suite -- Panoche Pass, California

This collection consists of 20 samples taken from Panoche Pass, California. These samples are representative of rocks that can be found in the…

Contributors: Western Minerals Inc.

(NAO) Ophiolite Suite -- Northern Apennines, Italy

The suite consists of samples from an ophiolite suite that outcrops in 3 locations in the Apennine mountain range in northern Italy.  The units are…

Contributors: Western Minerals, Inc.

(PH) Powderhorn (Iron Hill) Carbonatite Suite -- Gunnison County, SW Colorado

PH-20 Hand Sample - Horizontal.

The Powderhorn (Iron Hill) Carbonatite is located in Gunnison County in about the center of the southwestern quadrant of Colorado. It is a pear-shaped…

Contributors: Western Minerals Inc.

(GC) Grand Canyon Stratigraphic Suite -- Grand Canyon, Arizona

This collection contains 21 samples. They are a representation of samples of lithology from the early precambrian to the late permian. The…

Contributors: Western Minerals Inc.

(R) General Rocks


Contains all rocks that are not part of a designated suite and have an ID number starting with R.

Contributors: Various sources