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26. Apr. - 34. Min­er­alien- und Fos­silien­börse Arns­berg-Müschede, DE
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26. Apr. - 34. Min­er­alien- und Fos­silien­börse Arns­berg-Müschede, DE
09. May - 77. In­ter­na­tio­nale Min­er­alien­börse in Freiberg/Sach­sen
09. May - 50. Min­er­alien- & Fos­silien­börse “MIN­ER­AN­T2026” - Gol­d­en
09. May - 43. Aschaf­fen­burg­er Min­er­alien­börse
17. May - Gera, Mu­se­um für Na­turkunde: Ausstel­lungseröff­nung
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Mineralienatlas (name for mineral atlas) is the platform for people interested in mineralogy, geology, palaeontology and mining since 2001. We operate a significant database for minerals, fossils, rocks and their localities. Mineralienatlas is not limited to a section. We bring together information and inform comprehensive.

To complete our information constantly, we need your support. With us, everyone can and should participate. Currently Mineralienatlas is used and expanded by 10558 members. Every month hundreds of thousands of visitors use our website as an information source.
 
Geolitho Foundation non-profit GmbH
Geolitho Foundation non-profit GmbH is the non-profit supporter of the Mineral Atlas (Mineralienatlas), the Lithotheque, the Geolitho Collection Management and the Marketplace and Store by collectors for collectors. The Foundation promotes public education in the field of mineralogy, geology, paleontology and mining by operating, maintaining and further expanding earth science projects.
 
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"Ober­fränkisch­es Re­vi­er" a min­ing por­traitThe mining in the Franconian Forest has produced a lot of pits in the area and counts to the oldest mining areas in Germany. Indeed, one searches in the World Wide web in vain according to the information of which are documented by photos or maps. This comprehensive contribution gives you a wide view into this extended mininig area.

Researched and written from Michael Kommer (in german language)
The min­ing in the Fran­co­nian For­est has pro­duced a lot of pits in the area and counts to the old­est min­ing ar­eas in Ger­many. In­deed, one search­es in the World Wide web in vain ac­cord­ing to the in­for­ma­tion of which are doc­u­ment­ed by pho­tos or maps. This com­pre­hen­sive con­tri­bu­tion gives you a wide vie ... moreThe mining in the Franconian Forest has produced a lot of pits in the area and counts to the oldest mining areas in Germany. Indeed, one searches in the World Wide web in vain according to the information of which are documented by photos or maps. This comprehensive contribution gives you a wide view into this extended mininig area.

Researched and written from Michael Kommer (in german language)
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Red lay­erIn 1978 the US - American geologist Walter Alvarez gained a narrow pattern red clay in the Italian Apennines and certain age these samples to approximately 65 million years , ie at the end of the Cretaceous period and the beginning of the Tertiary period. This very thin lime- clay layer lies between two calcareous sediments and showed a different fossil record , which to a mass extinction ( faunal ) hinted .

While further analysis Alvarez noted a high iridium concentrations; a typical ... An article by Peter Seroka (written in german)
In 1978 the US - Amer­i­can ge­ol­o­gist Wal­ter Al­varez gained a nar­row pat­tern red clay in the Italian Apen­nines and cer­tain age th­ese sam­ples to ap­prox­i­mate­ly 65 mil­lion years , ie at the end of the Cre­ta­ceous pe­ri­od and the be­gin­n­ing of the Ter­tiary pe­ri­od. This very thin lime- clay lay­er lies be­tween ... moreIn 1978 the US - American geologist Walter Alvarez gained a narrow pattern red clay in the Italian Apennines and certain age these samples to approximately 65 million years , ie at the end of the Cretaceous period and the beginning of the Tertiary period. This very thin lime- clay layer lies between two calcareous sediments and showed a different fossil record , which to a mass extinction ( faunal ) hinted .

While further analysis Alvarez noted a high iridium concentrations; a typical ... An article by Peter Seroka (written in german)
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Das Chibiny-Mas­siv auf der Hal­binsel Ko­laDas Chibiny-Massiv auf der russischen Halbinsel Kola, das eine Fläche von über 1300 km² einnimmt, liegt zwischen den Seen Imandra im Westen und Umbozero im Osten. Höchster Berg ist der Tchasnachorr mit fast 1200 m. Im Osten liegen die Täler der Flüsse Tuljok, Vuonnemiok und Maivaitajok.

Eine vielfältige Vegetation reicht von einer lichten Fichten-Birken-Taiga über Wald- und Strauchtundra bis hin zur Flechtentundra und zu steinigem Ödland. Dabei nehmen letztgenannte Zonen einen großen Teil des kristallinen Chibiny-Massivs ein...
Das Chibiny-Mas­siv auf der rus­sischen Hal­binsel Ko­la, das eine Fläche von über 1300 km² ein­n­immt, liegt zwischen den Seen Iman­dra im West­en und Um­boze­ro im Os­ten. Höch­ster Berg ist der Tchas­na­chorr mit fast 1200 m. Im Os­ten lie­gen die Täler der Flüsse Tuljok, Vuon­ne­miok und Mai­vai­ta­jok.

Eine vie ... moreDas Chibiny-Massiv auf der russischen Halbinsel Kola, das eine Fläche von über 1300 km² einnimmt, liegt zwischen den Seen Imandra im Westen und Umbozero im Osten. Höchster Berg ist der Tchasnachorr mit fast 1200 m. Im Osten liegen die Täler der Flüsse Tuljok, Vuonnemiok und Maivaitajok.

Eine vielfältige Vegetation reicht von einer lichten Fichten-Birken-Taiga über Wald- und Strauchtundra bis hin zur Flechtentundra und zu steinigem Ödland. Dabei nehmen letztgenannte Zonen einen großen Teil des kristallinen Chibiny-Massivs ein...
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Pet­ri­fied For­est Na­tio­n­al ParkThe Petrified Forest is primarily a geological park, which owes its origin to the climate and geological events. It is part of the so-called Painted Desert and shows with its various layers a strange and impressive scenery. Characterized by erosion, it is a treasure trove of fossils. The rock formations show a chronicle of the past and give clues about the events of bygone days. In the park you can exposure rock strata until 234 million years ago. The colorful desert hills, the flat mesas and shaped hills attributable primarily to Chinle Formation and are fluvial sediments, caused by water movement. Countless fossilized wood and tree trunks bear witness to a scrumptious earlier fauna.
The Pet­ri­fied For­est is pri­mar­i­ly a ge­o­log­i­cal park, which owes its ori­gin to the cli­mate and ge­o­log­i­cal events. It is part of the so-called Paint­ed Desert and shows with its vari­ous lay­ers a strange and im­pres­sive scen­ery. Char­ac­ter­ized by ero­sion, it is a trea­sure trove of fos­sils. The rock for­ma ... moreThe Petrified Forest is primarily a geological park, which owes its origin to the climate and geological events. It is part of the so-called Painted Desert and shows with its various layers a strange and impressive scenery. Characterized by erosion, it is a treasure trove of fossils. The rock formations show a chronicle of the past and give clues about the events of bygone days. In the park you can exposure rock strata until 234 million years ago. The colorful desert hills, the flat mesas and shaped hills attributable primarily to Chinle Formation and are fluvial sediments, caused by water movement. Countless fossilized wood and tree trunks bear witness to a scrumptious earlier fauna.
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Min­er­alien­por­trait Rho­dochrositRhodochrosit dürfte aufgrund seiner auffallend rosaroten Farbe zu den ältesten Schmucksteinen der alten Welt gehören, was u.a. durch archäologische Funde von Grabbeigaben in alten äygpischen Gräbern belegt ist. Ob dieses Mangancarbonat bewusst oder gezielt abgebaut wurde, ist nicht bekannt. Sicher ist jedoch, dass die alten Ägypter Manganerze aus dolomitisierten Kalksteinen in der östlichen Wüste und auf der Halbinsel Sinai abbauten, wo mit Sicherheit auch Rhodochrosit vorkam und als Nebenprodukt zur Schmuckherstellung diente.
Rho­dochrosit dürfte auf­grund sein­er auf­fal­l­end rosaroten Farbe zu den äl­testen Sch­muck­stei­nen der al­ten Welt ge­hören, was u.a. durch archäol­o­gische Funde von Grabbei­ga­ben in al­ten äyg­pischen Gräbern belegt ist. Ob die­s­es Man­gan­car­bo­nat be­wusst oder gezielt abge­baut wurde, ist nicht bekan­nt. Sich­er i ... moreRhodochrosit dürfte aufgrund seiner auffallend rosaroten Farbe zu den ältesten Schmucksteinen der alten Welt gehören, was u.a. durch archäologische Funde von Grabbeigaben in alten äygpischen Gräbern belegt ist. Ob dieses Mangancarbonat bewusst oder gezielt abgebaut wurde, ist nicht bekannt. Sicher ist jedoch, dass die alten Ägypter Manganerze aus dolomitisierten Kalksteinen in der östlichen Wüste und auf der Halbinsel Sinai abbauten, wo mit Sicherheit auch Rhodochrosit vorkam und als Nebenprodukt zur Schmuckherstellung diente.
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Min­er­al por­trait calcite... Among the most spectacular finds are the fantastic light blue calcites from the Julia mine in Bilbao, which enraptured collectors' hearts to about the mid-1970s. At about the same time the zinc mine Las Manforas at Aliva supplied excellent, highl lustrous Calcites, often associated with the world's best red Sphalerites. ...

Amonsgt the forms of calcite the pinacoid is unique as it consists of exactly two parallel and oriented perpendicular to the c-axis surfaces. All other Calcite forms have either six or twelve areas. The pinacoid is an open form, with which it can not really include space; so the pinacoid must accompany other forms on the calcite crystal ...

A mineral portrait written by Peter Seroka with contributions from Ingo Löffler, Edgar Müller, Rainer Albert, William Waltermann (written in German)
... Among the most spec­tac­u­lar finds are the fan­tas­tic light blue calcites from the Ju­lia mine in Bil­bao, which en­rap­tured col­lec­tors' hearts to about the mid-1970s. At about the same time the zinc mine Las Man­fo­ras at Ali­va sup­plied ex­cel­lent, highl lus­trous Calcites, of­ten as­so­ci­at­ed with the worl ... more... Among the most spectacular finds are the fantastic light blue calcites from the Julia mine in Bilbao, which enraptured collectors' hearts to about the mid-1970s. At about the same time the zinc mine Las Manforas at Aliva supplied excellent, highl lustrous Calcites, often associated with the world's best red Sphalerites. ...

Amonsgt the forms of calcite the pinacoid is unique as it consists of exactly two parallel and oriented perpendicular to the c-axis surfaces. All other Calcite forms have either six or twelve areas. The pinacoid is an open form, with which it can not really include space; so the pinacoid must accompany other forms on the calcite crystal ...

A mineral portrait written by Peter Seroka with contributions from Ingo Löffler, Edgar Müller, Rainer Albert, William Waltermann (written in German)
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The Franken­holz Mine – A Hid­den Chapter of In­dus­trial His­to­ryFrom early tunnel construction in the 18th century to its final closure in the 1950s, the Frankenholz Mine in Germany’s Saar region was a key site of coal mining history. With ambitious shaft projects, its own cableway connection to Bexbach, and remarkable geological features – including fossil discoveries and natural oil seepages – the mine reflects both the rise of industrial progress and the dangers of underground work. Gas explosions, water ingress, and tragic accidents shaped the lives of thousands of miners. Frankenholz remains a compelling reminder of a bygone mining era.
From ear­ly tun­nel con­struc­tion in the 18th cen­tu­ry to its fi­nal clo­sure in the 1950s, the Franken­holz Mine in Ger­many’s Saar re­gion was a key site of coal min­ing his­to­ry. With am­bi­tious shaft pro­jects, its own ca­ble­way con­nec­tion to Bexbach, and re­mark­able ge­o­log­i­cal fea­tures – in­clud­ing fos­sil disc ... moreFrom early tunnel construction in the 18th century to its final closure in the 1950s, the Frankenholz Mine in Germany’s Saar region was a key site of coal mining history. With ambitious shaft projects, its own cableway connection to Bexbach, and remarkable geological features – including fossil discoveries and natural oil seepages – the mine reflects both the rise of industrial progress and the dangers of underground work. Gas explosions, water ingress, and tragic accidents shaped the lives of thousands of miners. Frankenholz remains a compelling reminder of a bygone mining era.
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