Port Orford meteorite hoax

Last updated
Port Orford meteorite
Class Pallasite
CountryUnited States
Region Oregon
Coordinates 42°48′N124°06′W / 42.800°N 124.100°W / 42.800; -124.100 [1]
Observed fall No
Found date1856 (claimed)
TKW 28 g [2]
10–11 short tons (9,100–10,000 kg) (estimated, claimed) [3]
Letter from John Evans discussing a "meteor" discovered on Bald Mountain in Oregon, dated November 25, 1859 John Evans meteorite letter November 25 1859.png
Letter from John Evans discussing a "meteor" discovered on Bald Mountain in Oregon, dated November 25, 1859

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, [2] with a value reported as high as $300 million. [4]

Contents

Claimed discovery

Dr. 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. [5] [4]

Hoax

It has been reported as a hoax, with modern metallurgical and other analysis showing that a 28 gram specimen [2] 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. [5] [6] 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. [7]

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