\n
ERZURUM Havzas\u0131’n\u0131n, daire bi\u00e7imli volkanik yap\u0131 kaldera \u00fczerinde geli\u015fti\u011fi belirlendi. Dr. \u00d6\u011fretim \u00dcyesi Jeoloji M\u00fchendisi Mehmet Salih Bayraktutan, yakla\u015f\u0131k 60 kilometre \u00e7ap\u0131ndaki kalderan\u0131n Do\u011fu Anadolu’nun en b\u00fcy\u00fc\u011f\u00fc oldu\u011funu bildirdi.<\/p>\n
Atat\u00fcrk \u00dcniversitesi Deprem Ara\u015ft\u0131rma Merkezi kurucusu, Jeoloji M\u00fchendisi Dr. \u00d6\u011fretim \u00dcyesi Mehmet Salih Bayraktutan, Erzurum Havzas\u0131’n\u0131n uzun y\u0131llar yanl\u0131\u015f bi\u00e7imde ‘\u00e7ek-ay\u0131r havza’ olarak tan\u0131mland\u0131\u011f\u0131n\u0131, oysa b\u00f6lgenin jeolojik ger\u00e7eklerinin bu yorumu desteklemedi\u011fini s\u00f6yledi. Bayraktutan, ‘s\u0131k\u0131\u015fma-kapanma havzas\u0131’ oldu\u011funu belirtti\u011fi Erzurum Havzas\u0131’n\u0131n olu\u015fumunu tamamen volkanik k\u00f6kenli bir kalderaya bor\u00e7lu bulundu\u011funu ifade etti.<\/p>\n
\u0130smini Paland\u00f6ken olarak belirledikleri kalderaya ili\u015fkin ilk saha tespitlerinin 1985 y\u0131l\u0131nda merhum Prof. Dr. Aykut Barka ile y\u00fcr\u00fct\u00fclen arazi \u00e7al\u0131\u015fmalar\u0131 s\u0131ras\u0131nda yap\u0131ld\u0131\u011f\u0131n\u0131 belirten Bayraktutan, “O tarihten bu yana uydu g\u00f6r\u00fcnt\u00fcleri, uzaktan alg\u0131lama verileri ve ayr\u0131nt\u0131l\u0131 arazi incelemeleri, Erzurum \u00e7evresinde b\u00fcy\u00fck \u00f6l\u00e7ekli bir kalderan\u0131n varl\u0131\u011f\u0131n\u0131 kesinle\u015ftirdi. Yakla\u015f\u0131k 6 milyon y\u0131l ya\u015f\u0131nda, andezitik bazaltlar\u0131n egemen oldu\u011fu kaldera, dairesel bir yap\u0131ya sahip. \u0130lk evrelerde lav katmanlar\u0131n\u0131n havza i\u00e7ine do\u011fru e\u011fimli oldu\u011fu, merkezde ise derin bir g\u00f6l ortam\u0131n\u0131n geli\u015fti\u011fi bilinmektedir. Havza kenarlar\u0131ndan merkeze do\u011fru kal\u0131nla\u015fan sedimanlar\u0131n birikti\u011fi, volkanik k\u00f6kenli ince klastik malzemenin yayg\u0131n oldu\u011fu tespit edildi” diye konu\u015ftu.<\/p>\n
60 K\u0130LOMETRE \u00c7APLI<\/p>\n
Kaldera i\u00e7inde geli\u015fen sedimanter istifin, Gelinkaya Formasyonu; ince konglomera, volkanik arenit, volkan k\u00fcl\u00fc, pomza, perlit, obsidiyen mercekleri, g\u00f6lsel kire\u00e7ta\u015flar\u0131, fosilli kalker, linyit, diatomit ve marn gibi kaya\u00e7lardan olu\u015ftu\u011funu kaydeden Bayraktutan, son 100 y\u0131l i\u00e7inde \u00e7ok say\u0131da yerli ve yabanc\u0131 bilim insan\u0131n\u0131n b\u00f6lgede \u00e7al\u0131\u015fmas\u0131na ra\u011fmen, Paland\u00f6ken Kalderas\u0131’na hi\u00e7bir yay\u0131nda yer verilmedi\u011fine dikkat \u00e7ekti. Kaldera \u00e7emberinin g\u00fcney, do\u011fu, kuzey ve bat\u0131 kesimlerinde i\u00e7 b\u00fckey yay par\u00e7alar\u0131yla net bi\u00e7imde izlenebildi\u011fini vurgulayan Bayraktutan, bu par\u00e7alar\u0131n birle\u015ftirilmesiyle yakla\u015f\u0131k 60 kilometrelik tam bir kaldera \u00e7emberinin ortaya \u00e7\u0131kt\u0131\u011f\u0131n\u0131 s\u00f6yledi. Yap\u0131n\u0131n do\u011fu kesiminin Dumlu faylar\u0131 taraf\u0131ndan k\u0131smen tahrip edildi\u011fi, Il\u0131ca faylar\u0131n\u0131n ise havzay\u0131 bat\u0131 ve do\u011fu olmak \u00fczere iki alt havzaya ay\u0131rd\u0131\u011f\u0131n\u0131 belirten Bayraktutan, bat\u0131 segmentin Daphan D\u00fcz\u00fc, do\u011fu segmentin ise Karasu \u00c7\u00f6k\u00fcnt\u00fcs\u00fc olarak tan\u0131mland\u0131\u011f\u0131n\u0131 kaydetti. Bat\u0131 ve kuzeybat\u0131 kesimlerde kaldera duvar\u0131n\u0131n depremlerle b\u00fcy\u00fck \u00f6l\u00e7\u00fcde y\u0131k\u0131ld\u0131\u011f\u0131n\u0131 belirten Bayraktutan, bat\u0131dan gelen sel malzemesinin Il\u0131ca y\u00f6n\u00fcnde g\u00f6le ta\u015f\u0131nd\u0131\u011f\u0131n\u0131, bu malzemenin \u00e7ok say\u0131da fan-delta ortam\u0131nda \u00fcst \u00fcste birikerek Daphan D\u00fcz\u00fc’n\u00fcn altyap\u0131s\u0131n\u0131 olu\u015fturdu\u011funu ifade etti.<\/p>\n
Bayraktutan, Erzurum Havzas\u0131’nda 5-6 noktada derin sondajlar yap\u0131lmas\u0131 gerekti\u011fini s\u00f6yledi. <\/p>\n","protected":false},"excerpt":{"rendered":"
Erzurum Havzas\u0131’n\u0131n 60 km \u00e7ap\u0131ndaki volkanik kalderas\u0131, jeolojik yap\u0131s\u0131yla dikkat \u00e7ekiyor.<\/p>\n","protected":false},"author":1,"featured_media":93257,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[9,4,13],"tags":[1360,9240,1404,9239,2257],"class_list":["post-93256","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-genel","category-gundem","category-son-dakika","tag-bati","tag-bayraktutan","tag-havza","tag-kaldera","tag-volkan"],"_links":{"self":[{"href":"https:\/\/bihavadis.com\/index.php\/wp-json\/wp\/v2\/posts\/93256","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/bihavadis.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/bihavadis.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/bihavadis.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/bihavadis.com\/index.php\/wp-json\/wp\/v2\/comments?post=93256"}],"version-history":[{"count":1,"href":"https:\/\/bihavadis.com\/index.php\/wp-json\/wp\/v2\/posts\/93256\/revisions"}],"predecessor-version":[{"id":93258,"href":"https:\/\/bihavadis.com\/index.php\/wp-json\/wp\/v2\/posts\/93256\/revisions\/93258"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/bihavadis.com\/index.php\/wp-json\/wp\/v2\/media\/93257"}],"wp:attachment":[{"href":"https:\/\/bihavadis.com\/index.php\/wp-json\/wp\/v2\/media?parent=93256"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/bihavadis.com\/index.php\/wp-json\/wp\/v2\/categories?post=93256"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/bihavadis.com\/index.php\/wp-json\/wp\/v2\/tags?post=93256"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}