Tag Archives: stone

Glacial Erratics

Glacial Erratics
Glacial Erratics

Glacial Erratics. Yosemite National Park, California. September 16, 2011. © Copyright 2011 G Dan Mitchell – all rights reserved.

Glacial erratics rest on top of a low granite dome in the back-country of Yosemite National Park.

“Erratics” are boulders left behind in the wake of the passage of glaciers, and left behind when the glaciers disappeared. They are found all over the higher elevations of the Sierra Nevada and some of the most striking examples are found in surprising places – like along the top of this granite dome-like ridge in the Yosemite back-country along the Tuolumne River. After spending decades in these mountains I sometimes take these rocks for granted (and for “granite…” ;-), but every so often it hits me just how strange and wonderful it is to find these large boulders sitting in unlikely places.

I made this photograph in the late afternoon as the lowering sun began to cast longer shadows and as earlier clouds began to dissipate above the distant ridges. The Tuolumne River begins it steep descent into the lowlands between my position and the distant ridge covered with granite and trees.

G Dan Mitchell is a California photographer whose subjects include the Pacific coast, redwood forests, central California oak/grasslands, the Sierra Nevada, California deserts, urban landscapes, night photography, and more.
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Text, photographs, and other media are © Copyright G Dan Mitchell (or others when indicated) and are not in the public domain and may not be used on websites, blogs, or in other media without advance permission from G Dan Mitchell.

Stones, Stained Granite

Stones, Stained Granite
Stones, Stained Granite

Stones, Stained Granite. Yosemite National Park, California. September 15, 2011. © Copyright 2011 G Dan Mitchell – all rights reserved.

Granite stones rest on glaciated slab of stained granite near the Tuolumne River, Yosemite National Park.

Scared you, didn’t I? Thought I was going to miss posting a daily photograph, right? Yeah, both of you… ;-)

In any case, I may have mentioned previously that I’m a sucker for Sierra granite, especially the glaciated kind that is found almost everywhere you go in Yosemite National Park, from the Valley to areas surrounding the very highest peaks. (Some of the highest peaks escaped the glaciation themselves, but that’s a longer story for another time.) For me, some combination of glaciated granite slabs, a few “erratic” boulders (“erratics” being boulders moved from their source and left behind by retreating glaciers), some trees, and a bit of meadow grass, perhaps with a stream or lake nearby shouts “Sierra Nevada.”

This photograph does not include all of these Sierra ingredients but it does include the granite. I photographed this small bit of granite slab along a section of the Tuolumne River than runs through the back-country during a week-long backpack trip this past September. Something about the arrangement and color of the four larger stones against the water-stained underlying rock with its complex textures interested me. A lot of what is in the frame may not be visible in the small jpg version posted here, but there is a lot of detail in the frame: the texture or rock, crystal structures on some of the stones, several smaller pebbles, even a bit of dried pine needle.

G Dan Mitchell is a California photographer whose subjects include the Pacific coast, redwood forests, central California oak/grasslands, the Sierra Nevada, California deserts, urban landscapes, night photography, and more.
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Text, photographs, and other media are © Copyright G Dan Mitchell (or others when indicated) and are not in the public domain and may not be used on websites, blogs, or in other media without advance permission from G Dan Mitchell.

Juxtaposed Buildings With Shadows and Reflections

Juxtaposed Buildings With Shadows and Reflections
Juxtaposed Buildings With Shadows and Reflections

Juxtaposed Buildings With Shadows and Reflections. San Francisco, California. July 8, 2011. © Copyright G Dan Mitchell – all rights reserved.

The overlapping structures of downtown buildings covered with reflections and shadows, San Francisco.

I made this photograph while walking up Market Street in San Francisco on this early July morning, dodging fast-walking pedestrians and bunches of tourists. I wasn’t certain of what I would shoot here on this day, and I was actually equipped more for shooting street level scenes than this sort of thing, in that I was traveling light with only a few basic prime lenses. But when I visit here, I’m almost always fascinated by the juxtapositions of different types of architecture, patterns of shadows and reflected light, the effect of perspective when looking up from the street, and the odd similarities to some of the rugged landscapes that I also like to photograph.

I’m not good about paying attention to the identity of the buildings, so while I could certainly locate them again quickly I’m afraid I can’t name them! I’ve photographed both before, and I was already very aware of the reflection patterns that appear in the windows of the darker building on the left, creating a criss-cross pattern against the lines of its own windows. There are more subtle effects of light on the lighter surface of the building on the right. Reflections from windows above and to the right cast diagonal lines of faint light down and across this part of the building, and below that there is a faint pattern of darker lines which are shadows from the light reflecting through the horizontal structure at the far right margin. (Being a fan of such things, I also like the fact that this open structure creates dark shadow patterns beyond and to its right and lighter shadow patterns across the whole face of the building. Yet other buildings are reflected, slightly distorted, in the large windows set in the bright wall.

G Dan Mitchell Photography
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Text, photographs, and other media are © Copyright G Dan Mitchell (or others when indicated) and are not in the public domain and may not be used on websites, blogs, or in other media without advance permission from G Dan Mitchell.

Spring Cascade, Polly Dome

Spring Cascade, Polly Dome
Spring Cascade, Polly Dome

Spring Cascade, Polly Dome. Yosemite National Park, California. June 18, 2011. © Copyright G Dan Mitchell – all rights reserved.

A seasonal spring cascade falls across the granite face of Polly Dome, Yosemite National Park.

I know that the chance to see the high country in winter-like conditions is part of what draws people to the opening of Tioga Pass Road, especially after a heavy snowfall season like this one. But for me the water is at least as much of a draw. The high country comes alive in ways that are not seen during the rest of the year. Because of the long and warmer days, the rate of snow melt accelerates, and when the snowpack is as deep as it is this year, that sets loose an amazing amount of meltwater.

I find full-flowing creeks in places where I didn’t even realize that water flowed. Creeks become raging torrents that threaten to jump their banks. In many places they do rise high enough to flood large expanses of meadow. Seasonal water falls and cascades appear almost everywhere you look.

I spotted this slender cascade high on the granite slopes of Polly Dome, above Tenaya Lake. My first idea was to make a photograph in which a longer stretch of the fall would appear, dropping perhaps several hundred feet. But as often happens, the more I worked this scene the more I wanted to eliminate extraneous material – and I ended up shooting at 400mm to edit out as much of the surround as I could.

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Text, photographs, and other media are © Copyright G Dan Mitchell (or others when indicated) and are not in the public domain and may not be used on websites, blogs, or in other media without advance permission from G Dan Mitchell.