Re: [meteorite-list] Oroville California, Iron.

2003-09-15 Thread william anderson
Hi Mike and list. I lived in Oroville for 30 years. >From the local historical archives, here are a few extra notes on the Oroville iron. It was seen to fall at the turn of the century, early 1900's. The impact point was estimated to be up on Table Mountain, a volcanic mesa that sits several mile

Re: Re-2: [meteorite-list] Oroville California, Iron.

2003-09-15 Thread william anderson
Hi Bernd, Yes you are right on the date, the near turn of the century should have been just before not just after. I switched something else A Ekman did on both dates that led to my confusion. The site is consistent still. Spring Valley is north of Oroville. Around 1900 Oroville took up mainly

[meteorite-list] chixculub survivability

2003-11-15 Thread william anderson
Hi Dave,, regarding your post to Mike F., I have to agree with Mike. In my opinion the material has no chance to survive after all this time, being what it is. As a mining engineer and geologist I've spent a lifetime mining gold from tertiary gravels. At 30 million years old, the only things in

[meteorite-list] etching?

2003-11-17 Thread william anderson
Just had a bizarre thought that I have no answer to. Has anyone ever tried bringing out the widmanstatten pattern with a chemical free etch? I was remembering a fellow who liked to "frost" the busts of coins using a scaled down sandblasting outfit. He would mask the unetched areas with rubber ce

[meteorite-list] New Mexico event

2003-11-21 Thread william anderson
Good morning all, the morning news just showed a corkscrew smoke trail from some sort of incoming that happened at 6 pm Thursday evening over New Mexico. The report had no further details, save for the authorities, by process of elimination, concluding it must have been a meteorite due to lack of