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            <front>

                <journal-meta>
                                    <journal-id></journal-id>
            <journal-title-group>
                                                                                    <journal-title>Yerbilimleri</journal-title>
            </journal-title-group>
                            <issn pub-type="ppub">1301-2894</issn>
                                        <issn pub-type="epub">2687-2978</issn>
                                                                                            <publisher>
                    <publisher-name>Hacettepe Üniversitesi</publisher-name>
                </publisher>
                    </journal-meta>
                <article-meta>
                                        <article-id/>
                                                                                                                                                                                            <title-group>
                                                                                                                        <trans-title-group xml:lang="en">
                                    <trans-title>Geochemical characteristics of the  basic volcanic rocks within the   Karakaya Complex: A review</trans-title>
                                </trans-title-group>
                                                                                                                                                                                                <article-title>Karakaya  Karmaşığı içerisindeki bazik volkanitlerin jeokimyasal özelliklerinin yeniden  değerlendirilmesi</article-title>
                                                                                                    </title-group>
            
                                                    <contrib-group content-type="authors">
                                                                        <contrib contrib-type="author">
                                                                <name>
                                    <surname>Sayıt</surname>
                                    <given-names>Kaan </given-names>
                                </name>
                                                            </contrib>
                                                    <contrib contrib-type="author">
                                                                <name>
                                    <surname>Göncüoğlu</surname>
                                    <given-names>M. Cemal  </given-names>
                                </name>
                                                            </contrib>
                                                                                </contrib-group>
                        
                                        <pub-date pub-type="pub" iso-8601-date="20090401">
                    <day>04</day>
                    <month>01</month>
                    <year>2009</year>
                </pub-date>
                                        <volume>30</volume>
                                        <issue>3</issue>
                                        <fpage>181</fpage>
                                        <lpage>191</lpage>
                        
                        <history>
                                    <date date-type="received" iso-8601-date="20150324">
                        <day>03</day>
                        <month>24</month>
                        <year>2015</year>
                    </date>
                                            </history>
                                        <permissions>
                    <copyright-statement>Copyright © 1976, Yerbilimleri</copyright-statement>
                    <copyright-year>1976</copyright-year>
                    <copyright-holder>Yerbilimleri</copyright-holder>
                </permissions>
            
                                                                                                                        <abstract><p>Biga Yarımadası’ndan Kuzeydoğu Anadolu’ya kadar uzanan kuşakta Sakarya Tektonik Birliği’nin Liyas öncesi temelinde yer alan Karakaya Karmaşığı değişik türde volkanik kayalar içermektedir. Yaşları, çevre birimlerle ilişkileri ve genel jeokimyasal özellikleri farklı yazarlarca farklı biçimlerde yorumlanan bu volkanik kayalar ile ilgili olarak yayınlanmış ve yayınlanmamış veriler dikkate alınarak bir veri bankası oluşturulmuş ve bu veriler petrolojik olarak yeniden değerlendirilmiştir. Duraylı elementlerin kullanıldığı ayırım diyagramlarında, Karakaya Karmaşığı içerisindeki volkanitler 3 farklı grup oluşturmaktadır. Bunlardan ilki belirgin olarak subalkali alana düşen bazaltlar, diğeri alkalen alana düşen bazaltlar, üçüncü grup ise bu iki grup arasındaki geçişli alana düşen bazik kayalardır. Tektonomagmatik ayırım diyagramlarında Karakaya birimlerine ait bazik volkanik kayalar çoğunlukla levha içi bazalt alanında yer almakta iken, küçük bir kısım ise okyanus ortası sırt ve ada yayı bazaltları ile benzer özellikler sunmaktadır. Çok uzun yıllardır tartışılan Karakaya Karmaşığı jeolojik evriminin aydınlığa kavuşturulabilmesi için bu birim içinde yer alan volkanizmanın, yaşları iyi belirlenmiş bölümlerden başlanarak, nadir toprak elementlerinin ve izotopların kullanıldığı ayrıntılı jeokimyasal veriler esas alınarak araştırılması gerektiği düşünülmektedir</p></abstract>
                                                            
            
                                                                                        <kwd-group>
                                                    <kwd>Karakaya Karmaşığı</kwd>
                                                    <kwd>   jeodinamik</kwd>
                                                    <kwd>   jeokimya</kwd>
                                                    <kwd>   volkanik kayalar</kwd>
                                            </kwd-group>
                            
                                                <kwd-group xml:lang="en">
                                                    <kwd>-</kwd>
                                            </kwd-group>
                                                                                                                                        </article-meta>
    </front>
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