Todenmann quarry, Todenmann, Rinteln, Schaumburg District, Lower Saxony, Germany
Baryte and Calcite Collection and Photo: Jürgen Greiner
© Jürgen Greiner
Pyrite on Calcite Collection and Photo: Jürgen Greiner
Sphalerite on Calcite Collection and Photo: Jürgen Greiner
Pyrite octaedrons on Calcite Collection and Photo: Jürgen Greiner
Abandoned quarry south of Kleinenbremen and north of the highway A2. The lowest exposed strata consist of dark-gray finely laminated, soft mudrocks which are very rich in shell fossils (apparently Gryphaea sp.) and which contain carbonate (siderite?) concretions. Massive limestones and marls form the layers above, and are the apparent source of ...
© Amir Akhavan