Shocked Quartz Found at Upheaval Dome, Utah

Paul bristolia at yahoo.com
Mon Mar 24 14:37:25 EDT 2008

Dear Ted,

What is the citation for this study? (Where was it published?)

Ted Bunch on Mon March 24 wrote:

“Matt - In a study we did several years ago, we
found one shocked quartz grain per 7000-12000
grains in various sedimentary rocks and glacial
tillites.”

On 3/24/08 9:51 AM, "mmorgan at mhmeteorites.com" asked:

“really makes me wonder how much shocked
quartz could be found as "background".”

Yours,

Paul H.