Thin Section Gallery

Photographed by Michael P. Klimetz

Quartzite

Brookdale

WISCONSIN

Photographed by Michael P. Klimetz

Hornblende Diorite

Orofino

IDAHO

Photographed by Michael P. Klimetz

Leucitite Lava

Mount Vesuvius

ITALY

Photographed by Michael P. Klimetz

Diabase

Richmond

MINNESOTA

Photographed by Michael P. Klimetz

Granite

Woodstock

MARYLAND

Photographed by Michael P. Klimetz

Granodiorite

Placerville

CALIFORNIA

Photographed by Michael P. Klimetz

Petrified Wood

Holbrook

ARIZONA

Photographed by Michael P. Klimetz

Porphyritic Dacite

Boulder

COLORADO

Photographed by Michael P. Klimetz

Quartz and Calcite Vein in Schist

Bronx

NEW YORK

Photographed by Michael P. Klimetz

Folds and Crenulations in Shale

Womble Formation

Ordovician

Ouachita Mountains

ARKANSAS

Photographed by Michael P. Klimetz

Serpentinized Dunite

Julierpass

Kt. Graubunden

SWITZERLAND

Photographed by Michael P. Klimetz

Oligoclase

Twedesrand

NORWAY

Photographed by Michael P. Klimetz

Olivine Gabbro

Fredericktown

MISSOURI

Photographed by Michael P. Klimetz

Augite Andesite

Silvrettadecke

AUSTRIA

Photographed by Michael P. Klimetz

Serpentinite

Julierpass

Kt. Graubunden

SWITZERLAND

Photographed by Michael P. Klimetz

Hornblende Gabbro

Salem

MASSACHUSETTS

Photographed by Michael P. Klimetz

Crenulation Cleavage/Kink Bands in Shale

Womble Formation

Ordovician

Ouachita Mountains

ARKANSAS

Photographed by Michael P. Klimetz

Fossiliferous Shaly Limestone

Decorah Formation

Ordovician

MINNESOTA

Photographed by Michael P. Klimetz

Peridotite

Bellinzona

SWITZERLAND

Photographed by Michael P. Klimetz

Peridotite

Bellinzona

SWITZERLAND

Photographed by Michael P. Klimetz

Peridotite

Bellinzona

SWITZERLAND

Photographed by Michael P. Klimetz

Slate

Pen Argyl

PENNSYLVANIA

Image Courtesy of the British Geological Survey

Lunar Anorthosite

Image Courtesy of the British Geological Survey

Lunar Basalt

Photographed by Michael P. Klimetz

Serpentinite

Hoboken

Hudson County

NEW JERSEY

Photographed by Michael P. Klimetz

Serpentinite

Hoboken

Hudson County

NEW JERSEY

Photographed by Charles Merguerian, Hofstra University

Schist

Walloomsac Formation

Manhattan

NEW YORK

Photographed by Charles Merguerian, Hofstra University

Schist

Manhattan Formation

Manhattan

NEW YORK

Photographed by Charles Merguerian, Hofstra University

Dolomitic Marble

Inwood Formation

Manhattan

NEW YORK

Key:  ca: Calcite  mu: Muscovite  q: Quartz  ph: Phlogopite

Photographed by Charles Merguerian, Hofstra University

Schist

Hartland Formation

Manhattan

NEW YORK

Key:  ca: Calcite  mu: Muscovite  q: Quartz  pg: Plagioclase  bi: Biotite

Photographed by Michael P. Klimetz

Amphibian Upper Limb Bone

Trimerorachis insignis

Upper Garbar Formation

Lower Permian

Frederick

OKLAHOMA