柱狀節理 (Columnar Joint )

<table id=cafe_editor_main_table_color bgColor='#212121' cellpadding=0 cellspacing=0 border=0 width=100%><tr><td id=cafe_editor_main_table class=text><img src="https://t1.daumcdn.net/cfile/cafe/999905485CE132E722" class="txc-image" width="1400" style="clear:none;float:none;" border="0" vspace="1" hspace="1" data-filename="카프카스_189.jpg" exif="{}" actualwidth="1400" id="A_999905485CE132E722891D"/> <img src="https://t1.daumcdn.net/cfile/cafe/99E6B2485CE132E81E" class="txc-image" width="1400" style="clear:none;float:none;" border="0" vspace="1" hspace="1" data-filename="카프카스_137.jpg" exif="{}" actualwidth="1024" id="A_99E6B2485CE132E81EBDED"/> <img src="https://t1.daumcdn.net/cfile/cafe/999756485CE132E917" class="txc-image" width="1400" style="clear:none;float:none;" border="0" vspace="1" hspace="1" data-filename="카프카스_154.jpg" exif="{}" actualwidth="1400" id="A_999756485CE132E9178BA0"/> <span style='color: rgb(55, 58, 60); font-family: "open sans", arial, "apple sd gothic neo", "noto sans cjk kr", 본고딕, "kopubdotum medium", 나눔바른고딕, 나눔고딕, nanumgothic, 맑은고딕, "malgun gothic", sans-serif; font-size: 14.4px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255); text-decoration-style: initial; text-decoration-color: initial; display: inline !important; float: none;'> 주상절리는 뜨거운 <a title="용암" class="wiki-link-internal" style='box-sizing: inherit; background-color: rgb(255, 255, 255); color: rgb(2, 117, 216); text-decoration: none; font-family: "open sans", arial, "apple sd gothic neo", "noto sans cjk kr", 본고딕, "kopubdotum medium", 나눔바른고딕, 나눔고딕, nanumgothic, 맑은고딕, "malgun gothic", sans-serif; font-size: 14.4px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px;' href="https://namu.wiki/w/%EC%9A%A9%EC%95%94">용암</a><span style='color: rgb(55, 58, 60); font-family: "open sans", arial, "apple sd gothic neo", "noto sans cjk kr", 본고딕, "kopubdotum medium", 나눔바른고딕, 나눔고딕, nanumgothic, 맑은고딕, "malgun gothic", sans-serif; font-size: 14.4px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255); text-decoration-style: initial; text-decoration-color: initial; display: inline !important; float: none;'>이나 갓 퇴적된 뜨거운 <a title="화산재" class="wiki-link-internal" style='box-sizing: inherit; background-color: rgb(255, 255, 255); color: rgb(2, 117, 216); text-decoration: none; font-family: "open sans", arial, "apple sd gothic neo", "noto sans cjk kr", 본고딕, "kopubdotum medium", 나눔바른고딕, 나눔고딕, nanumgothic, 맑은고딕, "malgun gothic", sans-serif; font-size: 14.4px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px;' href="https://namu.wiki/w/%ED%99%94%EC%82%B0%EC%9E%AC">화산재</a><span style='color: rgb(55, 58, 60); font-family: "open sans", arial, "apple sd gothic neo", "noto sans cjk kr", 본고딕, "kopubdotum medium", 나눔바른고딕, 나눔고딕, nanumgothic, 맑은고딕, "malgun gothic", sans-serif; font-size: 14.4px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255); text-decoration-style: initial; text-decoration-color: initial; display: inline !important; float: none;'> 등이 급격하게 식으면서 만들어지는 균열이다. 퇴적된 화산재가 무척 뜨거워서 그 퇴적층에 주상절리가 발달하는 경우도 있는데, 일반적으로는 두터운 용암류가 식으면서 만들어진다. 지질학적으로 <a title="절리" class="wiki-link-internal not-exist" style='box-sizing: inherit; background-color: rgb(255, 255, 255); color: red; text-decoration: none; font-family: "open sans", arial, "apple sd gothic neo", "noto sans cjk kr", 본고딕, "kopubdotum medium", 나눔바른고딕, 나눔고딕, nanumgothic, 맑은고딕, "malgun gothic", sans-serif; font-size: 14.4px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px;' href="https://namu.wiki/w/%EC%A0%88%EB%A6%AC" rel="nofollow">절리</a><span style='color: rgb(55, 58, 60); font-family: "open sans", arial, "apple sd gothic neo", "noto sans cjk kr", 본고딕, "kopubdotum medium", 나눔바른고딕, 나눔고딕, nanumgothic, 맑은고딕, "malgun gothic", sans-serif; font-size: 14.4px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255); text-decoration-style: initial; text-decoration-color: initial; display: inline !important; float: none;'>라는 것은 암석이 완전히 식은 뒤 지표로 올라오면서 부피 팽창, 즉 풍화의 과정에서 만들어지는 2차적인 구조임을 고려할 때, 주상절리는 절리 중에서도 그 형성 과정이 특이한 편에 속한다.<strike></strike> t사진은  이번 코카서스 여행중  아르메니아 에서  제가 찍은것 인데 특이 해서 여러분께 소개해 드립니다 </tr></td></table>