6

This event is "super historic" only because of its proximity to the coast. It is fairly common to get flash flooding in the mountains and deserts of Socal at least a few times each summer, due to the Southwest Monsoon. This event was different in that a dying tropical system moving north off of the coast of Mexico interacted with a trough off of the ...


5

If your question is only about the location of said fence I can not answer it. If, however, you are interested in the greater area around that location or the San Andreas fault in General, the short answer is, yes, there has been additional displacement and the movement is ongoing. This displacement is related to what one can call the earthquake cycle of ...


3

It's pretty hard to say anything about this kind of weathering without actually being there and having a closer look. Usually, the simplest explanation for reddish or brownish colours in otherwise grey rocks is the presence of iron oxides. You can see that the brown area is on a fault or joint face. This leads me to think that maybe this was a conduit for ...


2

The California Air Resources board posted this PDF that includes emission estimates up to 2017, which were 37.1 million metric tons. If anyone is interested in related info, the search phrase I used was, "CO2 estimates for california wildfires".


2

Any stone quartz rich and smooth not porous (no visible holes) like agates, quartzite or cherts are you best bet for getting a nice tumbled stone. A great book is: Gems and Minerals of America: A Guide to Rock Collecting (1st Edition) by Jay Ellis Ransom Hardcover, 705 Pages, Published 1975 ISBN-10: 0-06-013512-3 / 0060135123 ISBN-13: 978-0-06-...


1

Before the transform process of the San Andreas Fault zone we know today, there was indeed a subduction zone event taking place in this same region near now coastal California during the late Jurassic to late Cretaceous periods. Today the city of San Francisco physically represents the aftermath of the ancient clash of mighty tectonic titans as the city and ...


1

This is a bedding plane, once horizontal, but geological forces have tilted it to the diagonal. The strata above have been eroded and washed into the sea, perhaps by a storm, leaving the ancient bedding plane exposed. Tilted strata are not unusual in very ancient rock formations.


Only top voted, non community-wiki answers of a minimum length are eligible