inside the fossil quarry blumenberg in germany, abstract nature backdrop

area backdrop background blumenberg broken brown desolate detail dried drought dry excavation fossil fragments geological geology germany ground harsh jurassic layers limestone lithographic material micrite natural nature plates prehistoric quarry quarrying quarrystone rough rubble rugged schist sediment sedimentary sediments shale shard shards shattered sherd sherds site slate source splits stone stones stony structure structures texture thin wallpaper debris abstract late deposit fine-grained plattenkalk fossils altmuehltal inside