Im Phonolithbruch Brenk, dem deutschlandweit reinsten Vorkommen dieses Vulkangesteins, baut die Stein AG Phonolith ab, das in einem an der Strecke der Brohltaleisenbahn liegenden Werk Brenk der Stein AG verarbeitet wird. Der Steinbruch ist im Besitz der Gemeinde Brenk. Die Pacht bringt rund 20.000 Euro jährlich ein.
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Die Karte wird geladen …
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Aktiengesellschaft für Steinindustrie – Werk Brenk
