Boulders
Some of the largest rocks can be found on trails. These boulders may have rolled down from an outcrop, been left behind by a glacier, or been isolated by erosion of the ground.
Images 1 to 5 of 42
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Monadnock / Marlboro Trail - Grey Whale Boulder This boulder is on the upper end of the size scale for those in the lower section of the trail. It is also amazingly smooth, probably from glacial action. It also shows the triangular fracture patterns and mounded shape that is so common above. See also… 10/11/2004 |
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Cascade Brook Trail - Angular Boulder Occasionally the woods are punctuated by large boulders like the one to the right of this image. The moss and clover in the foreground are signs of poor soil; the clover has a symbiosis with a nitrogen-fixing bacterium and helps to enrich the soil as a side effect of benefiting itself. See also… 7/30/2003 |
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Monadnock / Side Foot - Boulder Strewn Section This section of the trail becomes increasingly rocky with approach to the treeline, Here, the granite blocks are ten or fifteen feet tall to the left (partly shown) and a few feet tall to the right and ahead. See also… 8/23/2004 |
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Lowe`s Bald Spot - View From The Outcrops From the top of the boulders, on this day in July, we are completely exposed to the cold wind, but also get a nice view. See also… 7/28/2003 |
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Bear Mountain: Appalachian Trail / Paradise Lane Loop - Gneiss Boulder This boulder reveals the metamorphic geology of the area - formerly sedimentary rock, changed and wrinkled by heat and pressure. This gneiss still shows the layers of the original lake or ocean sediments, transformed into another type of rock. See also… 6/29/2003 |
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