tag:blogger.com,1999:blog-4145603139776141256.post8717801789718852615..comments2023-08-27T21:32:52.742-07:00Comments on Outside The Interzone: Geo 730: Feb. 16, Day 412: Diatomite Interbed?Lockwoodhttp://www.blogger.com/profile/05960762797349483760noreply@blogger.comBlogger2125tag:blogger.com,1999:blog-4145603139776141256.post-35219348096101529182014-02-17T15:23:44.868-08:002014-02-17T15:23:44.868-08:00This section is much older than Pleistocene pluvia...This section is much older than Pleistocene pluvial lakes, even older than Basin and Range structure- this would have been prior to eruptions of Columbia River Basalt. Don't know of any relationship between those eruptions and these lighter, more felsic eruptions, so don't mean to imply there is one.Lockwoodhttps://www.blogger.com/profile/05960762797349483760noreply@blogger.comtag:blogger.com,1999:blog-4145603139776141256.post-37782138658386269722014-02-16T18:19:10.745-08:002014-02-16T18:19:10.745-08:00You say the scene is between Lakeview and Adel, If...You say the scene is between Lakeview and Adel, If you look there are several shallow natural lakes in the area, such as Hart Lake, (5 foot deep now, but likely deeper during the wetter past. Given that one had eruptions thru lakes further West (Fort Rock), if the flows are about the same age lacastrine deposits are quite likley. Lylenoreply@blogger.com