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02-12-2010, 10:47 AM
| #1 |
| Rock Crawler Join Date: Dec 2009 Location: Livermore
Posts: 727
|  Anyone Crawl at Mt Diablo
Anyone crawl at Mt Diablo, Rock City? Is it worth the drive and anyone have pictures?
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02-15-2010, 05:54 PM
| #2 |
| Quarry Creeper Join Date: Sep 2009 Location: Concord
Posts: 215
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that would be a cool spot. i would be down for that. let me know if you go there. i would like to crawl it. mabey get a few people to go too
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02-15-2010, 07:23 PM
| #3 |
| Pebble Pounder Join Date: Dec 2008 Location: Lake County
Posts: 174
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Thats funny,a park ranger just told me we should check out that area! Where's it at,it would definately be nice to see some pics! He said it was alot of sandstone formations?
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02-15-2010, 08:48 PM
| #4 |
| Rock Stacker Join Date: Mar 2008 Location: in my cave
Posts: 82
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from looking at it from google earth it look like a def poss. I be do to check it out  |
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02-15-2010, 09:28 PM
| #5 |
| Pebble Pounder Join Date: Dec 2008 Location: Lake County
Posts: 174
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If it's within a couple hours drive I'd be willing to check it out also,as long as your not smokin what you were when you typed that last post! You need to get some better stuff!  |
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02-15-2010, 09:43 PM
| #6 |
| Rock Stacker Join Date: Mar 2008 Location: in my cave
Posts: 82
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im not smoking sh*t...lol...Just got off work a little while ago...Let me know when you wanna go? |
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02-15-2010, 09:56 PM
| #7 |
| Rock Crawler Join Date: Dec 2009 Location: Livermore
Posts: 727
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I have heard that its a cool spot, never been but I'm down to go> we should pick a day and go then next weekend
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02-17-2010, 10:40 AM
| #8 |
| Rock Crawler Join Date: Dec 2009 Location: Livermore
Posts: 727
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So whats up guys, do you want to go hit up that spot. I have 2 other guys that will come out too.
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02-18-2010, 08:55 AM
| #9 |
| Rock Crawler Join Date: Jan 2010 Location: Pacifica, CA.
Posts: 919
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I would be down for going, can anyone post a link to the spot on google maps? Let's hope it doesn't rain. |
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02-18-2010, 09:35 AM
| #10 |
| Rock Crawler Join Date: Dec 2009 Location: Livermore
Posts: 727
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Thats right, the weather man said Friday and Saturday rain. Crap
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02-18-2010, 05:48 PM
| #11 |
| Pebble Pounder Join Date: Mar 2009 Location: Gualala CA
Posts: 155
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alittle rain wont hurt,Is it shower's? or RAIN?
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02-19-2010, 12:35 AM
| #12 |
| Quarry Creeper Join Date: Sep 2009 Location: Concord
Posts: 215
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I am down. Just search google maps "Rock City CA" I think the zip code is 94507. That's weird cuz I never new it was considered a real city!? Anyways it is a killer spot. Never crawled there but I have been probably 50 times. Huge sandstone formations and caves on the sides of them some dug out by native Americans. I can see alot of broken rod ends and axle housings for those of us darring enuf to climb the big tall rocks there. We should bring some gates for a few courses. I have about 20 road course cones I can bring.
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02-19-2010, 08:03 AM
| #13 |
| Pebble Pounder Join Date: Mar 2009 Location: Gualala CA
Posts: 155
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down for an afternoon run or later in the day?
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02-19-2010, 08:51 AM
| #14 |
| Quarry Creeper Join Date: Sep 2009 Location: Concord
Posts: 215
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saturday looks good only 20% chance of rain. i am up for any time, i think noon would be ideal. Mt Diablo charges a fee of $8 per car entering the mountain.
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02-19-2010, 09:22 AM
| #15 |
| Rock Crawler Join Date: Jan 2010 Location: Pacifica, CA.
Posts: 919
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That spot looks amazing! and I see a truck parked right next to it. It looks like you can drive right up to the rocks http://maps.google.com/maps?f=q&sour...01955&t=h&z=20 |
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02-19-2010, 09:23 AM
| #16 |
| Pebble Pounder Join Date: Mar 2009 Location: Gualala CA
Posts: 155
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lets do saturday noon?
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02-19-2010, 09:35 AM
| #17 |
| Quarry Creeper Join Date: Sep 2009 Location: Concord
Posts: 215
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Ok I will be there. I will be in I blue ford focus hatchback
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02-19-2010, 09:56 AM
| #18 | |
| RCC Addict Join Date: Jun 2006 Location: Sin City
Posts: 1,852
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02-19-2010, 10:07 AM
| #19 |
| Quarry Creeper Join Date: Sep 2009 Location: Concord
Posts: 215
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i was refering to the wind caves / small caves at rock city. and also the ones at castle rock park. used to be able to find a hand full arrow heads per visit to mt diablo, seems like they have all been found now.
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02-19-2010, 10:15 AM
| #20 |
| Quarry Creeper Join Date: Sep 2009 Location: Concord
Posts: 215
| Coal and White Sand North of Mt. Diablo and outside the park in the Black Diamond Mines area, lignite coal beds in the Domengine Formation were the largest known and most extensively mined coal deposits in California. From the 1860's to the beginning of this century, the Mount Diablo coal field supplied coal to the rapidly expanding urban and industrial centers of the San Francisco Bay area. Finally closed as newer and cheaper energy sources were discovered, during its lifetime the mines produced approximately 4,000,000 tons of coal valued between $15 and $20 million. At the base of the Domengine Formation exposed in the Black Diamond Mines Regional Park, there is a thin section of white sands called the "Ione" sands, a description carried across the Central Valley from major white sand deposits in the Ione Formation on the east side of the Valley. The sands appear to be continuous across the valley subsurface and of equivalent age. The white sands, that were used for making glass, were mined from two deposits in the area from 1920 until 1949 when they ceased operation. taken from geology / mining page. all mining was done on the north side of the mountain between lime ridge and the back canyon trail (rear regency dr, in clayton) |
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