| Authors present new first records from all over the world. Everybody is invited to share information. ... moreAuthors present new first records from all over the world. Everybody is invited to share information. |
| Who knows Tucson with its many satellite events, has already a good taste of the Sainte-Marie-aux-Mines show. Unlike in Munich where you find the stands clear and concentrated in halls, the organizers use single fenced-off parts of the city to place the stands on the streets. Public buildings such ... moreWho knows Tucson with its many satellite events, has already a good taste of the Sainte-Marie-aux-Mines show. Unlike in Munich where you find the stands clear and concentrated in halls, the organizers use single fenced-off parts of the city to place the stands on the streets. Public buildings such as swimming pool, school and theater are transformed into smaller exhibition halls... A small showreport by Stefan Schorn (in german) |
| Der Devils Tower (auch Mateo Tepee oder Bear Lodge) ist eine freistehende markante, säulenförmige Felsformation aus porphyrischem Phonolith im Crook County, im Nordosten von Wyoming, nahe der Grenze zu South Dakota. Seine absolute Höhe (über NN) beträgt 1558 m, er überragt die umgebende Ebene auf ei ... moreDer Devils Tower (auch Mateo Tepee oder Bear Lodge) ist eine freistehende markante, säulenförmige Felsformation aus porphyrischem Phonolith im Crook County, im Nordosten von Wyoming, nahe der Grenze zu South Dakota. Seine absolute Höhe (über NN) beträgt 1558 m, er überragt die umgebende Ebene auf einem Sockel von Sedimentgesteinen um etwa 264 m. Seine Basis besitzt einen Durchmesser von ungefähr 300 m, am abgeflachten Gipfelbereich beträgt dieser etwa 120 m. |
| Who first discovered the mineral cerussite and where it was first found remains in the darkness of history. However, to give it a name, the first mention is attributed to the Renaissance scholar Conrad Gesner - which does not mean, however, that he discovered or first described the mineral. (Gesner ... moreWho first discovered the mineral cerussite and where it was first found remains in the darkness of history. However, to give it a name, the first mention is attributed to the Renaissance scholar Conrad Gesner - which does not mean, however, that he discovered or first described the mineral. (Gesner (1516 to 1565) is considered the most famous and important naturalist and scholar of Switzerland)..... A mineral portrait of our unfortunately deceased friend Peter Seroka |