Andesite
Sample Number: 001
Source: Krantz
Location: Germany
Description: Andesite with small (1-3 mm) phenocrysts of plagioclase, augite, hornblende, biotite, and magnetite in a fine-grained (<0.5mm) groundmass of the same minerals.

Andesite
Sample Number: 034
Source: Wards Collection of North American Rocks
Location: Mt. Shasta, California.
Description: Hornblende Andesite. Sample WS-29.

Basalt
Sample Number: 004
Source: Smith College Masters Thesis
Location: Columbia River, Washington, USA
Description: Basalt with zoned olivine and augite crystals in a glassy groundmass.

Basalt
Sample Number: 020
Source: Smith College
Location: Hawaii, USA.
Description: Olivine basalt from Mauna Loa volcano. Sample HI-99-12b.

Chromite Pyroxenite
Sample Number: 009
Source: Bushveld Igneous Complex - Mark Brandriss Collection
Location: South Africa.
Description: Chromite - Pyroxenite. Approximate height in layered sequence 2000 meters based on: South African Committee on Stratigraphy (SACS) (1980). Compiler, L.E. Kent. Geological Survey of South Africa Handbook, vol. 8, 690 pp.

Diorite
Sample Number: 041
Source: Kiglapait Layered Intrusion - S.A. Morse Collection - KI-3371
Location: NE Coast of Labrador, Province of Newfoundland and Labrador, Canada.
Description: Diorite (An46). Lower Upper Zone (LUZ). Percent Solidified (PCS) = 91.

Diorite
Sample Number: 042
Source: Kiglapait Layered Intrusion - S.A. Morse Collection - KI-4144
Location: NE Coast of Labrador, Province of Newfoundland and Labrador, Canada.
Description: Diorite (An36). Middle Upper Zone (MUZ). Percent Solidified (PCS) = 94.4.

Dunite
Sample Number: 035
Source: Wards Collection of North American Rocks
Location: Near Balsam, North Carolina
Description: Dunite. Sample WS-44.

Dunite
Sample Number: 036
Source: Krantz Collection
Location: Dun Mountain, New Zealand.
Description: Dunite. Sample K-42.

Ferro-syenite
Sample Number: 043
Source: Kiglapait Layered Intrusion - S.A. Morse Collection - KI-4062
Location: NE Coast of Labrador, Province of Newfoundland and Labrador, Canada.
Description: Ferro-syenite. Lower Upper Zone (UZ). Percent Solidified (PCS) = 99.975.

Gabbronorite
Sample Number: 011
Source: Bushveld Igneous Complex - Mark Brandriss Collection
Location: South Africa.
Description: Gabbronorite. Approximate height in layered sequence 6010 meters based on: South African Committee on Stratigraphy (SACS) (1980). Compiler, L.E. Kent. Geological Survey of South Africa Handbook, vol. 8, 690 pp.

Granite
Sample Number: 002
Source: Wards Collection of American Rocks (#12)
Location: Concord, NH, United States.
Description: Granite with microcline perthite, muscovite, and biotite. Also contains some fluorite. Mapped as Concord Granite

Harzburgite
Sample Number: 008
Source: Bushveld Igneous Complex - Mark Brandriss Collection
Location: South Africa.
Description: Harzburgite. Approximate height in layered sequence 1380 meters based on: South African Committee on Stratigraphy (SACS) (1980). Compiler, L.E. Kent. Geological Survey of South Africa Handbook, vol. 8, 690 pp.

Latite (Camptonite)
Sample Number: 028
Source: Krantz Collection
Location: Germany
Description: Latite (Camptonite). Sample K-58.

Leucite Tephrite
Sample Number: 029
Source: Krantz Collection
Location: Germany
Description: Leucite Tephrite. Sample K-111.

Nepheline Monzodiorite
Sample Number: 030
Source: Krantz Collection
Location: Germany
Description: Nepheline Monzodiorite. Sample K-116.

Nepheline Monzosyenite
Sample Number: 006
Source: Krantz Collection
Location:
Description: Nepheline-sodalite-cancrinite monzosyenite, with microcline perthite.

Norite
Sample Number: 010
Source: Bushveld Igneous Complex - Mark Brandriss Collection
Location: South Africa.
Description: Norite. Approximate height in layered sequence 2100 meters based on: South African Committee on Stratigraphy (SACS) (1980). Compiler, L.E. Kent. Geological Survey of South Africa Handbook, vol. 8, 690 pp.

Quartz Monzonite
Sample Number: 033
Source: Wards Collection of North American Rocks
Location: Vermontville, NY.
Description: Quartz Monzonite. Sample WS-20. The Wards description names this the Ausable Syenite. However, this sample has too much plagioclase for that name.

Rhyolite
Sample Number: 003
Source: USGS Rock Study Collection #64
Location: Needed
Description: Rhyolite with 1-3 mm phenocrysts of sanidine, plagioclase, quartz, and, biotite in a fine-grained (<0.5mm) groundmass of the same minerals.

Troctolite
Sample Number: 007
Source: Kiglapait Layered Intrusion - S.A. Morse Collection - KI-3710
Location: NE Coast of Labrador, Province of Newfoundland and Labrador, Canada.
Description: Troctolite. Lower Zone (LZ). Percent Solidified (PCS) = 72.