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11-10-2017, 07:08 PM   #1111
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11-12-2017, 09:23 AM - 1 Like   #1112
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From the same outing...
11-17-2017, 07:26 AM - 9 Likes   #1113
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I was sometimes intrigued by the juxtaposition of ordinary daily life with spectacular scenery in Iceland. Easy to miss the second waterfall far back above the farm buildings.
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11-18-2017, 12:26 AM - 3 Likes   #1114
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Tarra River, Tarra Bulga NP, Victoria, Australia. A remnant of cool temperate rainforest from Gondwana times. K-S2 + DA 12-24.





11-21-2017, 02:02 AM   #1115
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QuoteOriginally posted by Des Quote
Tarra River, Tarra Bulga NP
lovely images Des.
I think I have only been there once since I married, 48 years ago.
I should take my wife back again, shouldn't I?
11-21-2017, 06:53 AM - 4 Likes   #1116
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Iceland yet again. Great place for waterfalls and rapids. There's always snow & ice melting, even in the driest summers.
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11-21-2017, 02:31 PM   #1117
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QuoteOriginally posted by rod_grant Quote
I think I have only been there once since I married, 48 years ago. I should take my wife back again, shouldn't I?
Still the romantic Rod?

QuoteOriginally posted by WPRESTO Quote
Iceland yet again. Great place for waterfalls and rapids. There's always snow & ice melting, even in the driest summers.
Enjoying these shots Walt. Very dramatic landscape.

11-21-2017, 04:13 PM   #1118
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QuoteOriginally posted by Des Quote
Enjoying these shots Walt. Very dramatic landscape.
Thanks. Not my skill. The whole island is covered with scenery.
11-21-2017, 04:40 PM   #1119
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QuoteOriginally posted by WPRESTO Quote
Thanks. Not my skill. The whole island is covered with scenery.
Isn't that where the professor started the journey to the centre of the Earth in the Jules Verne novel? Some deep chasms and caves
there.
11-21-2017, 05:10 PM - 1 Like   #1120
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Volcanic areas may have caves - lava tubes that run more-or-less horizontally, and vertical volcanic necks or throats from which the lava has drained out or settled down - but these are not exceptionally deep. The greatest vertical volcanic caves are mostly shafts that start atop a mountain, but the bottom commonly is at best near the level of of flat ground around the volcanic mountain, not deep into the interior of the Earth.

Caves in limestone and similar calcitic rock are commonly both longer and deeper. A cave in the Caucuses (Georgia) which passes through several primarily sedimentary rock layers including limestone, is the only known cave to exceed a depth of 2000 meters, which is vanishingly insignificant relative to the "center of the Earth." That cave is also in excess of 8 miles in length but that is dwarfed by Mammoth Cave in Kentucky, known to have over 400 miles of shafts, by far the longest cave system known, and not all of it has been explored (takes a long time to get to the farthest point that has been reached). A problem with great depth in rock is that eventually the bearing strength of the rock is less than the weight of rock atop. This is the same reason why there is no such thing as a "bottomless crevasse" in a glacier. Once the ice reaches a certain thickness, the weight causes plastic distortion at the bottom and any opening will very quickly close.
11-21-2017, 07:24 PM - 2 Likes   #1121
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How about a waterfall inside a building?

The Cloud Forest Waterfall
by RobGeraghty, on Flickr
11-22-2017, 06:37 AM - 3 Likes   #1122
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This one is in Kentucky.
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11-22-2017, 10:00 PM - 2 Likes   #1123
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water still running off a rock shelf long after tide went out.
11-23-2017, 05:57 AM - 1 Like   #1124
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How about some upward flowing water? This is Geysir*, the original, where the term for the phenomenon was first used or coined. The nature of the eruption here has changed over the centuries. It's sometimes been greater, sometimes less, more frequent, less frequent, a consequence of the ongoing geologic activity in Iceland. This is a fairly low, bubbly eruption. Others we observed in the hour or so we were there produced towering columns.

*Sp sic - "geyser" in English.
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11-23-2017, 05:03 PM   #1125
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QuoteOriginally posted by WPRESTO Quote
How about some upward flowing water? This is Geysir*, the original, where the term for the phenomenon was first used or coined. The nature of the eruption here has changed over the centuries. It's sometimes been greater, sometimes less, more frequent, less frequent, a consequence of the ongoing geologic activity in Iceland. This is a fairly low, bubbly eruption. Others we observed in the hour or so we were there produced towering columns.

*Sp sic - "geyser" in English.
Perhaps a waterriise or a waterfly?
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