Crinoid-limestone, Calcite

State Route 46 roadcut, Bloomington, Monroe County, Indiana, USA

Calcite as limestone and fossils in "crinoid pizza" from the Stobo bioherm. Scale is in centimeters.

© Bill Cordua

Crinoid-limestone

Stuttgart Region, Baden-Württemberg, Germany

Encrinite or crinoidal siliceous limestone.Is made up largely of crinoid fragments .In this sample we observed a lot of cilindric fragment named "Entrochi" which formed the stem, a segmental structure, of a crinoid ( Encrinus liliiformis)Mistlau near Kirchberg an der Jagst.Triassic Muschelkalk

Crinoid-limestone

Cementownia, Strzelce Opolskie, Gmina Strzelce Opolskie, Strzelce County, Opole Voivodeship, Poland

© J.Kornaga

Crinoid-limestone, Quartz

Loughshinny, Dublin County, Leinster, Ireland

Crinoidal Limestone with two small quartz veins. The limestone comes from the Carboniferous Loughshinny formation, on one of the layers of intensely folded strata. The field of view is estimated, but the lens cap has a diameter of 5 centimeters.

Crinoid-limestone

Buffalo Gap National Grasslands, South Dakota, USA

This specimen was found in the alluvial gravel in the Buffalo Gap National Grasslands. The closest rock name in the Mindat data base that I could find was Crinoid-limestone; however, this sample has been silicified. Acid tests on both the crinoid columns and the matrix showed no results. The hardness throughout the specimen was that of quartz. ...

© Larry Maltby

Crinoid-limestone

Rübeland limestone quarry, Rübeland, Oberharz am Brocken, Harz, Saxony-Anhalt, Germany

Cross section through Devonian reef limestone from Rübeland. Section manufactured by Rudolf Schwinghammer, München. Rudolf Schwinghammer collection (No. G0127), G. Grundmann photo.

© Günter Grundmann, Detmold.

Crinoid-limestone

Hohenasperg, Ludwigsburg, Stuttgart Region, Baden-Württemberg, Germany

An example of crinoid limestone (local stone) building the Hohenasperg Fortress. A specimen of rock from the walls of the fortress.

© Kornaga

Crinoid-limestone

Aberlady Point, East Lothian, Scotland, UK

Locality: between Gosford Bay and Aberlady Point.Date collected: 28-August-1998.Number: 15.Remarks: with crinoid fragments.

© Arjen van Ooyen

Crinoid-limestone

Brno-City District, South Moravian Region, Czech Republic

Limestone composed entirely of broken crinoid fragments. Collection of Department of Geology, Faculty of Science, Palacký University in Olomouc, Czech Republic.

© Jakub Jirásek, 2023

Crinoid-limestone

Le Hainaut quarry, Soignies, Hainaut, Wallonia, Belgium

Cross section through crinoidal limestone from Soignies, trade name "Belgian Bluestone". Polished section manufactured by Rudolf Schwinghammer, München. Width of image 8 cm.G. Grundmann collection and photo.

© Günter Grundmann, Detmold.

Crinoid-limestone

Kellymount quarry, Paulstown, Kilkenny County, Leinster, Ireland

Cross section through crinoid-limestone from Paulstown, trade name "Irish Blue". Polished section manufactured by Rudolf Schwinghammer, München. Rudolf Schwinghammer collection (No. G0224), G. Grundmann photo.

© Günter Grundmann, Detmold.

Crinoid-limestone, Calcite

State Route 46 roadcut, Bloomington, Monroe County, Indiana, USA

Piece of limestone with crinoid fossils formed from calcite. Rolf Luetcke specimen and photo.

Crinoid-limestone

Muschelkalk outcrops, Naumburg, Burgenlandkreis, Saxony-Anhalt, Germany

Perfectly preserved single trochites.

© J.Kornaga

Crinoid-limestone

Le Hainaut quarry, Soignies, Hainaut, Wallonia, Belgium

Cross section through crinoidal limestone from Hainaut, trade name "Belgian Blue". Polished section manufactured by Rudolf Schwinghammer, München. Rudolf Schwinghammer collection (No. G0117), G. Grundmann photo.

© Günter Grundmann, Detmold.

Crinoid-limestone

Le Hainaut quarry, Soignies, Hainaut, Wallonia, Belgium

Cross section through crinoidal limestone from Hainaut, trade name "Belgian Blue". Polished section manufactured by Rudolf Schwinghammer, München. Rudolf Schwinghammer collection (No. G0080), G. Grundmann photo.

© Günter Grundmann, Detmold.