File:海岸段丘 青森県今別町P2030143.JPG

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日本語: 礫を含む赤茶色の砂岩に満たない脆い層。粘土または火山灰のような灰色の層が幾重にも積み重なった海岸段丘。強い風で打ち寄せる波の影響。更に滲み出る水が凍っては溶けるを繰り返し、数分ごとにボロボロと音を立てて崩れている。下にある大きな礫(大礫:64mm~256mm)は打ち寄せられる波で洗浄された状態。崩れた直後は赤い層の成分で赤茶色の土砂が付着している。この赤茶色により石英質の石の半数ほどが黄色または赤褐色に染まっている。ここでは通常津軽半島で採取可能な無色や透明な玉髄や瑪瑙が、カーネリアンやオレンジカルセドニー、イエローカルセドニーとなって採取できる。市販のそれらは熱を加えたり合成着色されたものが大半であるが、ここでは自然に着色されたものが海岸に落ちている。
Date 2019/02/03
Source オリジナル(青森県東津軽郡今別町山崎の海岸段丘)
Author あおもりくま
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I, the copyright holder of this work, hereby publish it under the following licenses:
GNU head Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is included in the section entitled GNU Free Documentation License.
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This file is licensed under the Creative Commons Attribution-Share Alike 3.0 Unported license.
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Under the following conditions:
  • attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.
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Location
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@41.1989584,140.5121843 (別途撮影済みの Google Street Viewあります)https://goo.gl/maps/uGR1bPeQaqK2

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I, the copyright holder of this work, hereby publish it under the following licenses:
GNU head Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is included in the section entitled GNU Free Documentation License.
w:en:Creative Commons
attribution share alike
This file is licensed under the Creative Commons Attribution-Share Alike 3.0 Unported license.
You are free:
  • to share – to copy, distribute and transmit the work
  • to remix – to adapt the work
Under the following conditions:
  • attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.
  • share alike – If you remix, transform, or build upon the material, you must distribute your contributions under the same or compatible license as the original.
You may select the license of your choice.

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current08:18, 4 February 2019Thumbnail for version as of 08:18, 4 February 20191,336 × 2,000 (1.23 MB)あおもりくま (talk | contribs){{Information |Description=礫を含む赤茶色の砂岩に満たない脆い層。粘土または火山灰のような灰色の層が幾重にも積み重なった海岸段丘。強い風で打ち寄せる波の影響。更に滲み出る水が凍っては溶けるを繰り返し、数分ごとにボロボロと音を立てて崩れている。下にある大きな礫は打ち寄せられる波で洗浄された状態。崩れた直後は赤い層の成分で赤茶色の土砂が付着している。この赤い色により、ここで拾える石英質の石の半数ほどが黄色または赤褐色に染まっている。 |Source=オリジナル(青森県東津軽郡今別町山崎の海岸段丘) |Date=2019/02/03 |Location=@41.1989584,140.5121843 (別途撮影済みの Google Street Viewあります)https://goo.gl/maps/uGR1bPeQaqK2 |Author=あおもりくま |Permission={{self|GFDL|Cc-by-sa-3.0}} |other_versions= }}

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