Specimens

OOLITIC LIMESTONE | Oolitic limestone is a carbonate rock formed from the cementation of thousands of ooids. Ooids are tiny nodules formed from th...

BRECCIA | The large, angular clasts in breccia make it possible to confidently ascertain the depositional history of the rock GREAT FOR GEOLOGY CL...

GREYWACKE | Graywacke is a sedimentary rock composed of large, angular clasts within a fine-grained clay matrix. Formed during underwater avalanch...

CONGLOMERATE | The large clasts in conglomerate indicate that the pieces of rock underwent a large amount of rolling, bouncing, and other weatheri...

FOSSILIFEROUS LIMESTONE | This rock formed at the bottom of a marine environment through the compaction of deceased organic matter in a clay or si...

GRAY LIMESTONE | The massive, gray variety of limestone is often found deposited in marine environments. It is made up of organic material, primar...

LABRADORITE | Labradorite is a variety of plagioclase feldspar, intermediate between anorthite and albite. Notable about this species of feldspar ...

LIMESTONE CHALK | Limestone is made up of organic material, primarily calcium carbonate. The chalk variety consists of the shells of coccolithopho...

TRAVERTINE | & classification exercises. Travertine is a carbonate rock formed from gushing hot springs. The airy, porous material indicates a...

WHITE SANDSTONE | White Sandstone is a recognizable sedimentary rock made up of well sorted and rounded grains of quartz, indicating that the clas...

BRECCIA | The large, angular clasts in breccia make it possible to confidently ascertain the depositional history of the rock GREAT FOR GEOLOGY CL...

OOLITIC LIMESTONE | Oolitic limestone is a carbonate rock formed from the cementation of thousands of ooids. Ooids are tiny nodules formed from th...

BRECCIA | The large, angular clasts in breccia make it possible to confidently ascertain the depositional history of the rock GREAT FOR GEOLOGY CL...

CONGLOMERATE | The large clasts in conglomerate indicate that the pieces of rock underwent a large amount of rolling, bouncing, and other weatheri...

FOSSILIFEROUS LIMESTONE | This rock formed at the bottom of a marine environment through the compaction of deceased organic matter in a clay or si...

GRAY LIMESTONE | The massive, gray variety of limestone is often found deposited in marine environments. It is made up of organic material, primar...

GREYWACKE | Graywacke is a sedimentary rock composed of large, angular clasts within a fine-grained clay matrix. Formed during underwater avalanch...

LABRADORITE | Labradorite is a variety of plagioclase feldspar, intermediate between anorthite and albite. Notable about this species of feldspar ...

LIMESTONE CHALK | Limestone is made up of organic material, primarily calcium carbonate. The chalk variety consists of the shells of coccolithopho...

TRAVERTINE | & classification exercises. Travertine is a carbonate rock formed from gushing hot springs. The airy, porous material indicates a...

WHITE SANDSTONE | White Sandstone is a recognizable sedimentary rock made up of well sorted and rounded grains of quartz, indicating that the clas...