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25 April 2020

At https://phys.org/news/2020-04-tomanowos-meteorite-survived-mega-floods-h… … this is about an iron meteorite find in Oregon, the so called Willamette meteor. The local Indian tribe, the Clackamas, called it Tomanowos – the visitor from heaven. One would suppose with a name like that one of their ancestors had witnessed it falling out of the sky. It seems logical as there were no geology courses or students back in the day. However, in this post that is not so. We are told instead that 4.5 billion years ago Tomanowos was the core of a proto planet that never quite made it. The iron is thought to be core material – a theory that is rarely questioned. At some point after that, we are then told. the proto planet collided with another object, sending the meteorite (or iron core) way out into space (although of course it was already in space). Eventually, Tomanowos adopted an earth crossing orbit – and entered earth's atmosphere around 17,000 years ago. It landed on top of an ice cap (or glacier) – we are assured. Presumably as there is no known crater to account for its landing spot. In spite of that we are told it landed in what is now Canada and over the following centuries flowing ice transported Tomanowos southwards to Fork River in Montana (where an ice dam is thought to have held back a lot of water). When the ice dam collapsed (assuming there was an ice dam in the first place) there was a mega flood. The water had an origin in the melting ice sheet that is thought to have covered most of what is now Canada (apart from a large chunk of the Yukon, and the whole of Alaska, in the US). At some point an awful lot of water was released that created the massive flood – and swept down through Washington State into Oregon (creating the Scablands in the process). This idea was heavily resisted by geologists for decades but it was eventually confirmed by new  research which allowed mainstream to pat Harlen Bretz on the back instead of constantly accusing him of pseudo science. Now, the writer of the piece is at pains to point out that Tomanowos was carried down from Canada by water and ice melt, and it came to a stop in Oregon (also without sign of a crater we may assume). It's a nice story but full of assumptions. Did the native people witness it falling out of the sky. After all it only took place 17,000 years ago, at the end of the late glacial maximum (during what is known as the Oldest Dryas Event). Is there more to the story than is being told. Was it part of a much bigger iron core object that broke up either during or before its entry through the atmosphere? How would the locals know it fell out of the sky if they had not witnessed it? The idea it was transported from elsewhere is perhaps derived from a lack of a crater – or one that has been found. Hence, the idea it landed on ice without creating a crater. Is that possible. Also, did it really get carried by a river of ice and was there even an ice sheet this far west of the Canadian Shield. So, a lot of theory here – yet one would still think the Clackamas saw it falling out of the sky – if only because the term is explicit. A more interesting problem for mainstream might be that if there was no ice sheet covering the part of Canada north of Montana – and even if there was an ice sheet why wouldn't an iron meteorite punch a hole in it. Was this the reason why the date of 17,000 was conjured up. If there is no crater how can geologists date the time of arrival. If so when did Tomanowos fall out of the sky?

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