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Petrified Wood and Petroglyphs

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MartyMoose View Drop Down
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Post Options Post Options   Quote MartyMoose Quote  Post ReplyReply Direct Link To This Post Topic: Petrified Wood and Petroglyphs
    Posted: 20 May 2019 at 20:11
Some really interesting geological finding this past weekend - learning a little about the area: Long story short being millions of years ago (about 17M) a long crack or fissure about 16 miles long and 8 miles wide opened, spilling an extremely large amount of lava. It looks like the fissure opened a couple times due to the different layers of volcanic basalt, which I've captured to a lesser degree in some of the images below.

For the petrified wood, a huge ice dam broke and rapidly spilled a large volume of water over the area during the melt of the last ice age, which apparently washed away a lot of soil, uncovering petrified wood.

This area once a heavily forested environment drastically changed by these types of extreme geological activities, now practically a treeless high-desert.

The petroglyphs had to be removed and relocated due to vandalism.

1. Petrified Log


2. Petrified Log 2


3. Petroglyphs


4. Landscape and River (some signs of basalt layer in the background 'mountain')


5. Landscape and Road to River


6. High Desert Plant


7. Closeup of the Blossoms



Edited by MartyMoose - 20 May 2019 at 20:14
ILCE's a6000, a7, a7ii
CZ Batis 25, 85, SEL's 55/1.8, 35/1.4, 16-70/4, 24-70/4, 70-200/4, 90/2.8G Macro, 55-210/4.5-6.3, 16-50/3.5-5.6, Rokinon E 12/2
 



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addy landzaat View Drop Down
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Post Options Post Options   Quote addy landzaat Quote  Post ReplyReply Direct Link To This Post Posted: 21 May 2019 at 04:51
Which one is this?

I visited the petrified forrest on Lesvos, Greece - it however is closed due to a lack of funding it is the biggest in the world, making it extra sad.

TFS this ancient world with good pictures to boot
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owenn01 View Drop Down
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Post Options Post Options   Quote owenn01 Quote  Post ReplyReply Direct Link To This Post Posted: 21 May 2019 at 10:12
Hi Steve,

I'm a bit of a sucker for petrified wood and this is a great set of images of that; the colours always amaze me for something that was once organic and has long since been 'turned'. You also add a further bit of interest with the Petroglyphs; after seeing so many in Utah recently I am much more interested and engaged by these as they hold untold stories within them that we, most likely, never get to understand.

It's a real shame these had to be moved due to vandalism though - that looses their connection with the local area (which probably forms a major part of the story telling).

Thanks for sharing these and best regards, Neil.
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MartyMoose View Drop Down
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Post Options Post Options   Quote MartyMoose Quote  Post ReplyReply Direct Link To This Post Posted: 21 May 2019 at 14:46
@Addy: Hi Addy, this was at Ginkgo Petrified Forest State Park near Vantage, Washington State.

@owenn01: Yeah, I agree that it's interesting how the minerals form and show color and tree rings. I have a shot of a cut and polished slice that shows a tree knot - very interesting. The petroglyphs are also really interesting. It's good that these were moved for preservation (were easily accessible) but there are many more in their natural state along the mighty Columbia river (much more difficult to get to). Learning about the basalt rock in the area was a real eye-opener, too. I'm not deep into geology but fascinated with ancient peoples and major Earth/environment changes.

Edit because I cant spell Ginkgo and to add a couple more petroglyphs...

Some of the petroglyphs make sense such as the animals and the curved one seems to be water or river, but some of the other stuff isn't clear to me.

8. River, Animals and Weird Thing Petroglyph



9. People Petroglyph



10. Petrified Tree Knot



11. Still In The Ground




Edited by MartyMoose - 21 May 2019 at 15:24
ILCE's a6000, a7, a7ii
CZ Batis 25, 85, SEL's 55/1.8, 35/1.4, 16-70/4, 24-70/4, 70-200/4, 90/2.8G Macro, 55-210/4.5-6.3, 16-50/3.5-5.6, Rokinon E 12/2
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Fred_S View Drop Down
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Post Options Post Options   Quote Fred_S Quote  Post ReplyReply Direct Link To This Post Posted: 21 May 2019 at 23:02
Fascinating colours and structures Marty!
TFS
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