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Hoba Meteorit

A cache by sunonquidam and Harry the lawyer Send Message to Owner Message this owner
Hidden : 01/05/2011
1.5 out of 5
1.5 out of 5

Size: Size:   small (small)

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Geocache Description:

Hoba Meteorit

Hoba (also known as Hoba West) (pron. "HOE-bah") is a meteorite that lies on the farm "Hoba West", not far from Grootfontein, in the Otjozondjupa Region. It has been uncovered but, because of its large mass, has never been moved from where it fell. The main mass is estimated at over 60 tons, and it is the largest known meteorite (as a single piece) and the most massive naturally-occurring piece of iron known at the Earth's surface.
The Hoba meteorite is thought to have landed less than 80,000 years ago. It is inferred that the Earth's atmosphere slowed the object down to the point that it fell to the surface at terminal velocity, thereby remaining intact and causing little excavation. The meteorite is unusual in that it is flat on both major surfaces, possibly causing it to have skipped across the top of the atmosphere in the way a flat stone skips on water.
The Hoba meteorite left no preserved crater and its discovery was a chance event. The owner of the land is said to have encountered the object while ploughing one of his fields with an ox. During this task, the farmer heard a loud metallic scratching sound, before his plough came to a sudden stop. The meteorite was excavated soon after and identified and described by scientist Jacobus Hermanus Brits, whose report was published in 1920. This report can be viewed at the Grootfontein Museum in Namibia.
Hoba is a tabloid body of metal, measuring 2.7 by 2.7 metres (8 feet 9 inches) by 0.9 meters (3 feet). In 1920 its mass was estimated at 66 tons. Erosion, scientific sampling and vandalism have reduced its bulk over the years. The remaining mass is currently estimated at just over 60 tons. The meteorite is composed of about 84% iron and 16% nickel, with traces of cobalt. It is classified as an ataxite iron meteorite belonging to the nickel-rich chemical class IVB. A crust of iron hydroxides is locally present on the surface, owing to weathering.
In the attempt to control vandalism, the Government of Namibia (then South West Africa), declared the Hoba meteorite to be a National Monument on March 15, 1955 with permission of Mrs. O. Scheel who was the owner of the farm at that time. In 1985, Rossing Uranium Ltd. made resources and funds available to the Namibian Government to provide additional protection against vandalism. In 1987 Mr. J. Engelbrecht, the owner of Hoba West farm, donated the meteorite and the site where it lies to the State for "educational" purposes. Later that year, the Government opened a tourist centre at the site. As a result of these developments, vandalism of the Hoba meteorite has ceased and it is now visited by thousands of tourists every year.

Hoba Meteorit

Der Hoba-Meteorit (engl. Hoba Meteorite; in der Fachliteratur auch teilweise nur als Hoba bezeichnet) ist der bislang größte auf der Erde gefundene Meteorit. Er befindet sich auf dem Gelände der „Hoba“-Farm in den Otavibergen, etwa 20 km westlich von Grootfontein. Die Angaben über das Gewicht schwanken zwischen 50 und 60 Tonnen. Seine ursprünglichen Abmessungen waren 2,70 m × 2.70 m × 0,90 m. Der Meteorit schlug vor zirka 80.000 Jahren auf der Erde ein und liegt immer noch in der ursprünglichen Position. Sein geschätztes Alter beträgt 190 bis 410 Millionen Jahre.

Der Meteorit besteht zu zirka 82 % aus Eisen, zu zirka 16 % aus Nickel und zu zirka 1 % aus Cobalt. Darüber hinaus enthält er eine Reihe von Spurenelementen wie Chrom, Gallium, Germanium, Iridium, Kohlenstoff, Kupfer, Schwefel und Zink. Meteoriten mit Nickelgehalten von über 15 % werden als Ataxite bezeichnet.

Am 15. März 1955 wurde er mit Genehmigung der damaligen Farmbesitzerin Olga Scheel zum nationalen Denkmal erklärt. Der Besitzer im Jahre 1987, J. Engelbrecht, hat dem Rat für Denkmäler das Gebiet um den Meteoriten herum geschenkt. Daraufhin wurde das Gelände um den Meteoriten herum vom Rat für Denkmäler gestaltet.
Das Erdreich um den Meteoriten wurde ausgegraben und eine Art Amphitheater angelegt. Ferner wurden Toiletten, ein ausgebauter Pfad zum Meteoriten, ein kleines Kassenhaus mit einem Geschäft und Grillplätze angelegt.

Additional Hints (Decrypt)

qba'g tb gur "oybbql jnl"
lbh frr gur fgbarf sebz gur evtug jnl.

Decryption Key


(letter above equals below, and vice versa)

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