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The San Andreas Fault passes right through the Point Reyes peninsula. These little wiggles were simply what was going on that day. You can't feel these tiny tremors.
Faulted sandstone from the Jurassic of Wyoming, USA.
Faults are quite common in orogenic belts. Faults are defined as fractures in rocks along which differential displacement has occurred. Dip-slip faults are those involving movement of rocks in non-horizontal directions. Strike-slip faults involve movement of rocks in horizontal directions.
The two common types of dip-slip faults are normal faults and reverse faults. Normal faults form by extensional stress. Reverse faults form by compressional stress.
Locality: unrecorded/undisclosed site at or near the town of Guernsey, eastern Wyoming, USA
Most people probably think California is the only State with fault lines and earthquakes. This is a fault line in Sedona, AZ that runs just about north/south. Check out the next picture that really shows the movement!
“Shit happens, Sarge. It ain’t your fault. Shit happens. Don’t sweat it.”
I was being told that by a 19 year Marine Corporal speaking from experience. He’d been in Viet-Nam for 63 days, and who now was a grown man. You age fast in the Nam.
This is how the worst day of my life went down. I was flown, along with a dozen Marines, to a spot 4 miles in from the beach. The Marine H-34 helicopters inserted us at LZ Bravo. (More military stuff. LZ stands for Landing Zone and the Bravo was to distinguish each insertion.) I, with two cameras banging against my chest, jumped down to the ground and ran with everybody else for about 20 feet and hit the deck and listened.
Sniper fire from at least 3 positions. AK-47’rifles. Recognized the sound. Russia supplied them, and her ships anchored in the Hanoi harbor.
Back in Washington, the Joint Chiefs of Staff discuss depositing a sunken ship across Hanoi harbor to disrupt shipping. We didn’t even consider calling an air strike on a Russian ship. We would start WWIII, and God knows we had our hands full already with this little Asian War.
Now there was new fire to left front of our movement - M16’s. They are ours, and together we will squeeze Charlie out into the open. And they did just that. Soon the shots died off to sporadic. The squad leader, Sgt Brennan, sent for his grenadier. “Have you pinpointed the small arms stuff a little to the left out here?”
“I got him,” the man answered. He dropped down to his knees and clicked off the sight adjustments, and called out softly, “Fire in the hole.” We stooped down.
The explosion blew two bodies into the air. Slowly we approached the spot, and confirmed two bodies for the “body count“, another requirement for the troops to follow. MACV (Military Advisory Command Viet-Nam). wanted to know the exact number of bodies for the day.
“Sgt Brennan,” one of the men called out. “You better take a look at this.”
Sgt Brennan took one look and sort of whistled under his breath. “Girls,” he said. “They are just children. What about the two laying over there?” he asked.
“They’re dead, Sergeant,” the man replied.
“So we’ve got five, is that it? How about those rifles there? They belong to the girls?”
“They were in the ditch they were in, so they probably were sniping at us.”
“Anything wrong with these three,“ Brennan asked.
“No, they’re all right, as for as I can tell. “
“Call the interpreter up to question them,” Brennan said. “Now, lets get with Second Squad.”
Then he turned to me. “Jaynes, you mind guarding them?”
I nodded affirmatively.
"I don’t know if there are any more out there or not. We‘re gonna‘ make another sweep and find out. They are considered prisoners. Take your sidearm out, so they can see it.“
I took out my .45 and put a round in the chamber.
I motioned for all of them to sit down. They did. They were just shaking, probably wondering what we would do to them. My emotions were running high. I’m supposed to be shooting the war, but with a camera, not a gun.
I didn’t have time for any more thoughts. There was a movement in the grass to the side of me. I whirled around and fired.
“Oh, God, what have I done?” I wailed. Another girl. And without a weapon. The bullet hit her in the chest.
“Somebody!” I yelled,. I could see several Marines coming to see about the gunshot.
I sat on the ground and held her head in my hands and placed her back on my lap. The dark red spot was growing larger. I pulled her pajama top open. It was a bad sucking wound to the lungs. There was nothing that could be done. I placed my handkerchief over the wound and pressed,
She looked into my eyes and made a weak smile. My tears ran down and dripped off onto her skin. Her blood from the exit wound ran warm on my legs
“Why, Lord?”
This scene is stored in my memory in glorious High Definition any time I choose to play it. Sometimes I don‘t have to summon it up. It plays automatically.
And has for a long time now.
-end-
These sandstone rock formations, created by compression and shearing along the San Andreas Fault. Cajon Pass is a mountain pass between the San Bernardino Mountains and the San Gabriel Mountains in Southern California
The spectacular white arkosic hogbacks called Mormon Rocks are part of the Cajon Valley Beds.
Both arkosic units sit unconformably on a marine
formation that had been referred to the San Franscisquito. Woodburne and Golz (1972) pointed out the
lithologic differences in the underlying marine formation, and the presence of an elasmosaur relegated
the Cajon portion of those beds to a Cretaceous age (Lucas and Reynolds, 1991). Woodburne and Golz
(1972) demonstrated that the age of the Devils Punchbowl arkose was late Miocene (Clarendonian–
Hemphillian NALMA), while vertebrate fossils in the Cajon Valley beds were middle Miocene
(Hemingfordian–Barstovian NALMA).
geology.csupomona.edu/janourse/ArticlesAbstracts/SCGS%20E...
Mormon Rocks Interpertive Trail is a 1 mile loop trail located near San Bernardino, California that offers scenic views and is good for all skill levels. Named after Mormon pioneers and freighters who completed their trip across the Mojave in 1851 on they way to the lush and fertile valley of San Bernardino...Gold was discovered in nearby Bear Valley and Holcomb valley turning San Bernardino into a typical Wild West town of pioneers.
This is a photo of faults exposed in a blast pattern in the mine. I mapped these faults after the blast and compiled them with the blast-hole assays to show the distribution of gold mineralization associated with the faults. I mapped thousands of such faults on each level, in four different open pits along with corresponding pit geology maps.
Some fault lines are visible from space. Tectonic plates make a rift in the Andes. Credit: Chris Hadfield Twitter account
design by Motohiro Tanji
photographer by Edmond Ho
model by Dasha S
make up by Shue Lai
hair by Shue Lai
styling by Shue Lai
Fault=Self timer stuck.
-> reapired self-timer mechanism. It is working fine. Camera seems be working now. Not sure how accurate AUTO is.
The San Andreas Fault runs through the DeRose Winery building in the Hollister area (San Benito County) of California. To mark its location, a plaque has been posted with the following inscription:
SAN ANDREAS FAULT
Has been designated a Registered Natural Landmark under the provisions of the Historic Sites Act of August 21, 1935. This site possesses exceptional value in illustrating the natural history of the United States.
U.S. Department of the Interior
National Park Service
1965
Running the Nano to see how it works: the flow is irregular ( note the water column is pulsing) AND there is vibration (the clacking noise audible and the Nano is moving around)
Faults are fractures in rocks along which there has been differential displacement. Fault movement is usually in the form of sudden jolts - this sends out shock waves, which results in earthquakes. Compressional stress produces reverse faults and thrust faults. Extensional stress produces normal faults. Shear stress produces transform faults.
Seen here is a reverse fault between structurally-tilted, reddish sandstone spires of the Lyons Sandstone (= upper left) and tilted siliciclastics of the Fountain Formation (= lower right). The fault plane dips to the east (= to the left in this shot).
Stratigraphy: lower Lyons Sandstone (~mid-Permian) over Fountain Formation (Pennsylvanian to Permian)
Locality: looking south at the northern end of North Gateway Rock, Garden of the Gods, northwestern side of the town of Colorado Springs, northeast of Manitou Springs, western El Paso County, central Colorado, USA (vicinity of 38° 52’ 51.33” North latitude, 104° 52’ 53.94” West longitude)
Normal fault & drag folds in Wyoming, USA.
The Bighorn Mountains of Wyoming, USA are part of the Central Rockies Physiographic Province (a.k.a. Middle Rockies). Mountain ranges in the Central Rockies are cored by Precambrian-aged basement rocks (= igneous & metamorphic rocks) and have flanks of tilted Phanerozoic sedimentary rocks. The Central Rockies formed during the Laramide Orogeny (Late Cretaceous to Tertiary).
The outcrop seen here consists of gently dipping, Paleozoic sedimentary rocks. The bend in the rock layers (best seen in the reddish unit) is due to faulting. Click on the photo to zoom in - a normal fault is present that cuts through the beds. The bent layers on either side of the fault are drag folds, formed by shear and solid-state deformation during faulting.
Location: Rt. 14 roadcut at Sand Turn Overlook, eastern flanks of the southern Bighorn Mountains, western of Sheridan, western Sheridan County, northern Wyoming, USA (44° 48’ 18.37” North latitude, 107° 19’ 11.38” West longitude)
“Green Marble” - faulted serpentinite (undisclosed commercial name or provenance) (public display, Vermont Marble Exhibit, Proctor, Vermont, USA)
Cut and polished "green marble" is available for use as decorative stone from granite/marble companies. However, "green marble" is not marble. True marble is a calcitic, crystalline-textured metamorphic rock. “Green marble” is actually serpentinite, which forms by metamorphism of olivine-rich ultramafic igneous rocks (peridotites). Serpentinites are principally composed of serpentine. Small amounts of magnetite may be present.
The white veins in this sample are probably magnesite. Note that the veins are offset by faulting.