Ward’s Universal Rock Collection – Thin Sections

	IGNEOUS ROCKS
	Granite – Rhyolite Family
	Intrusive
1	Aplite	San Bernardino County, California, USA
2	Hornblende Granite	Rocport, Massachusetts, USA
3	Hypersthene Granite (Charnockite)	near Madras, India
4	Biotite Granite
	Extrusive
5	Rhyolite Porphyry
6	Pegmatite – Lithium Rich
7	Rhyolite Porphyry
8	Obsidian, brown and black	Lake County, Oregon, USA
9	Obsidian, snowflake
10	Vitrophyre
11	Pumice	Hidalgo, Mexico
12	Rhyolite , Flow	Chaffee County, Colorado, USA
	Syenites
13	Hedenbergite Syenite	Portland Twp, Quebec, Canada
14	Sodalite Syenite
15	Shonkinite	San Bernardino County, California, USA
	Monzonite – Latite Family
	Intrusive
16	Monzonite	Westerley, Rhode Island, USA
17	Quartz Monzonite	Los Angeles County, California, USA
18	Quartz Monzonite Porphyry
	Diorite – Andesite Family
	Intrusive
19	Orbicular Diorite	Davie County, North Carolina, USA
20	Diorite Porphyry	Jackson, Wyoming, USA
21	Hornblende Diorite
22	Camptonite	Hoover Dam, Arizona, USA
	Extrusive
23	Hornblende Andesite Porphyry	Gallatin County, Montana, USA
	Gabbro – Basalt Family
	Intrusive
24	Jacupirangite	Magnet Cove, Arkansas, USA
25	Hypersthene Gabbro	Essex County, New York, USA
26	Anorthosite	Split Rock, Minnesota, USA
27	Diabase	Dillsburg, Pennsylvania, USA
	Extrusive
28	Basalt	Pullman, Washington, USA
29	Diktytaxtic Basalt	Modoc County, California, USA
30	Vesicular Basalt	Modoc County, California, USA
31	Leucite Nepheline Tephrite	Laacher See, Germany
32	Augite Basalt Porphyry
	Pyroclastic Family
33	Welded Tuff	Inyo County, California, USA
34	Tuff	Pima County, Arizona, USA
	Peridotite Family
35	Pyroxenite (Bronzitite)	Contact Mountain, Montana, USA
36	Peridotite (Kimberlite)	Yellow Dog, Michigan, USA
37	Peridotite
	Sedimentary Rocks
	Conglomerates and Breccias
38	Conglomerate	Richmondale, Ohio, USA
39	Limestone Breccia	Boulder County, Colorado, USA
40	Volcanic Breccia	Mohave County, Arizona, USA
	Sandstones and Related Rocks
41	Cross-bedded Sandstone	Portland, Connecticut, USA
42	Arkose (gray)	Gardiner, Montana, USA
43	Sandstone	Los Angeles County, California, USA
44	Bituminous Sandstone
45	Coconino Sandstone	Mojave County, Arizona, USA
46	Banded Sandstone	Mansfield, Ohio, USA
47	Siltstone	Concordia Bridge, Illinois, USA
	Shales and Related Rocks
48	Arenaceous Shale	Greene County, New York, USA
49	Ferruginous Shale	Williamsport, Pennsylvania, USA
50	Bituminous Shale	Little Falls, New York, USA
51	Laminated Shale
	Chalcedonic and Related Stones
52	Flint	Flint Ridge, Ohio
53	Flint	Flint Ridge, Ohio
54	Chalcedony pseudomorph after coral	Tamba Bay, Florida, USA
	Limestones and Related Stones
55	Common Grey Limestone	Monroe County, New York, USA
56	Lithographic Limestone	Solnhofen, Germany
57	Red Wall Limestone	Yavapai Co. Arizona, USA
58	Coquina	St. Augustine, Florida, USA
59	Pentamerous Limestone	Rochester, New York, USA
60	Travertine
61	Dolomitic Limestone	Kasota, Minnesota, USA
62	Siliceous Dolomite	Little Falls, New York, USA
63	Diffusion Dolomite	Fremont County, Colorado, USA
64	Dolomite	Marquette, Michigan, USA
65	Potosi Dolomite	Potosi, Missouri, USA
66	Fusulinid Limestone	Glass Mountains, Texas, USA
	Ferruginous and Related Rocks
67	Hematite (oolitic)	Clinton, New York, USA
	Salines (Evaporates)
68	Anhydrite
69	Gypsum, var. Alabaster	Pomaia, Italy
	Organics
70	Bituminous Coal
	METAMORPHIC ROCKS
	Hornfels
71	Hornfels	Lambertsville, New Jersey, USA
	Marbles
72	Graphitic Marble	Los Angeles County, California, USA
73	White Marble	Lee, Massachusetts, USA
74	Marble	St. Lawrence County, New York, USA
75	Chocolate Marble	Knoxville, Tennessee, USA
	Calc-silicate Rocks
76	Mylonite	Los Angeles County, California, USA
	Quartzites
77	Pink Quartzite	Dell Rapids, South Dakota, USA
78	Jasper Pebble Quartzite	Sault St. Marie, Ontario, Canada
79	Green Quartzite
	Slates
80	Red Slate	Granville, New York, USA
81	Green Slate	Pawlet, Vermont, USA
	Schists
82	Tourmaline Schist
83	Vishnu Schist	near Grand Canyon, Arizona, USA
84	Crumpled Mica Schist	Gilpin County, Colorado, USA
85	Garnet Mica Schist	Gassetts, Vermont, USA
86	Hornblende Schist	Antwerp, New York, USA
87	Garnetiferous Schist
88	Albite Mica Schist
89	Staurolite Schist	near Newport, Idaho, USA
	Gneisses and Related Rocks
90	Diopside Gneiss	Lowell, Idaho County, Idaho, USA
91	Diorite Gneiss	San Bernardino County, California, USA
92	Banded Biotite Gneiss	Adirondack Region, New York, USA
93	Garnet Sillimanite Gneiss	Washington County, New York, USA
94	Amphibolite, Fine Grained	Soudan, Minnesota, USA
95	Amphibolite, Coarse Grained	Soudan, Minnesota, USA
	Epidote Group
96	Unakite
	Other Metamorphic
97	Greenstone	Ely, Minnesota, USA
98	Soapstone	Cameron, Montana, USA
99	Ferruginous Argillite	Missoula, Montana, USA
100	Serpentinite

Location

Microscopy