| 词条 | Port Orford meteorite hoax |
| 释义 |
|Name= Port Orford meteorite |Image= |Image_caption= |Type= |Class= Pallasite |Group= |Structural_classification= |Composition= |Shock= |Weathering= |Country= United States |Region= Oregon |Lat_Long= {{coord|42|48|N|124|06|W|display=inline,title}}{{sfn|Clarke|1993|p=10}} |Observed_fall= No |Fall_date= |Found_date= 1856 (claimed) |TKW= 28 g{{sfn|Pruett|2012}} {{convert|10|-|11|ST|kg}} (estimated, claimed){{sfn|Clarke|1993|p=8}} }} The Port Orford meteorite hoax concerns a 19th-century claimed meteorite discovery near Port Orford, Oregon in 1856. The meteorite has attracted the interest of meteorite hunters,{{sfn|Pruett|2012}} with a value reported as high as $300 million.{{sfn|John|2011}} Claimed discoveryDr. John Evans, a medical doctor and government-appointed geologist working for the United States Department of the Interior, claimed to have found a 10-ton (10,000 kg) pallasite meteorite in coastal Oregon (then Oregon Territory) on a "bald mountain" above Port Orford in 1856. Evans returned a sample to the East Coast, but he died of pneumonia in 1861 before the discovery could be corroborated.{{sfn|Clarke| 2006}}{{sfn|John|2011}} HoaxIt has been reported as a hoax, with modern metallurgical and other analysis showing that a 28 gram specimen{{sfn|Pruett|2012}} collected by Evans was actually part of the Imilac Chilean meteorite of 1822 and probably acquired by him in Panama on his return to the United States East Coast.{{sfn|Clarke| 2006}}{{sfn|LaLande|2016}} The mountain of Evans' claimed find has been tentatively identified as Johnson Mountain from Evans' reports and field notes; surveys of the area with sensitive proton magnetometers in the 1980s failed to show evidence of a nickel-rich meteorite there.{{sfn|Clarke|1993|pp=7–11}} ReferencesNotesSources
3 : Meteorites by name|19th-century hoaxes|1856 in Oregon Territory |
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