Browsing ELibrary by Subject "EARLY CRETACEOUS"

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CHELONIAN EGGSHELLS FROM THE LOWER CRETACEOUS KUWAJIMA FORMATION OF THE TETORI GROUP, CENTRAL JAPAN

Isaji S.; Matsushita A.; Hirayama R. (2006)

Chelonian eggshell fossils from the Lower Cretaceous Kuwajima Formation of the Tetori Group are described. The eggs were originally spherical or ellipsoidal in shape. The eggshells consist of a single layer of spherulitic ...
ND, PB, AND SR ISOTOPE COMPOSITION OF JUVENILE MAGMATISM IN THE MESOZOIC LARGE MAGMATIC PROVINCE OF NORTHERN CHILE (18–27°S): INDICATIONS FOR A UNIFORM SUBARC MANTLE

Lucassen F.; Kramer W.; Bartsch V.; Wilke H.; Franz G.; Romer R.L.; Dulski P. (2006)

The Jurassic to Early Cretaceous magmatic arc of the Andes in northern Chile was a site of major additions of juvenile magmas from the subarc mantle to the continental crust. The combined effect of extension and a near ...
NEW EARLY CRETACEOUS PALEOMAGNETIC DATA FROM VOLCANIC AND RED BEDS OF THE EASTERN QAIDAM BLOCK AND ITS IMPLICATIONS FOR TECTONICS OF CENTRAL ASIA

Sun Z.; Pei J.; Yang T.; Wang X.; Yang Z. (2006)

In order to better understand anomalously low paleomagnetic inclinations in the Cretaceous rocks of central Asia, a combined geochronologic and paleomagnetic investigation has been performed on Cretaceous basalt sequences ...
RE-OS ISOTOPIC COMPOSITIONS OF LATE MESOZOIC MAFIC ROCKS FROM SOUTHEASTERN COAST OF CHINA

Zhou J.C.; Jiang S.Y.; Wang X.L.; Yang J.H.; Zhang M.Q. (2006)

The representative basalts and hornblende gabbros samples have been selected from early Cretaceous "bimodal volcanics" and "composite plutons" from eastern Zhejiang and southeastern Fujian provinces of southeastern coast ...
THE ROLE OF BITUMEN IN STRATA-BOUND COPPER DEPOSIT FORMATION IN THE COPIAPO AREA, NORTHERN CHILE

Cisternas M.E.; Hermosilla Ju. (2006)

In northern Chile, between 27 and 33°S, there are numerous deposits where residual petroleum is associated with Cu-(Ag) mineralisation (the most famous being El Soldado). All of these deposits are hosted by Lower Cretaceous ...
КЕМСКИЙ ТЕРРЕЙН (ВОСТОЧНЫЙ СИХОТЭ-АЛИНЬ) - ФРАГМЕНТ РАННЕМЕЛОВОЙ ОСТРОВОДУЖНОЙ СИСТЕМЫ ВОСТОЧНОЙ ОКРАИНЫ АЗИИ

Малиновский А.И.; Голозубов В.В.; Симаненко В.П.; Митрохин А.Н. (2005)

В статье рассматриваются строение, состав и обстановки формирования баррем (?)-альбских вулканогенно-осадочных образований Кемского террейна (Восточный Сихотэ-Алинь), которые интерпретируются как отложения задугового ...

Browsing ELibrary by Subject "EARLY CRETACEOUS"

Browsing ELibrary by Subject "EARLY CRETACEOUS"

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