Sandstone type deposits are the most common type of uranium deposits in the world. A large variety of sub-types have bee......

The study presents integrated palynofacies,organic carbon isotope,and biomarker data to reconstruct palaeoenviromental s......

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为了解滇西永平盆地上新世时期的古气候特征及沉积环境特征，开展了对永平盆地上新世三营组沉积物的沉积相、植物化石、孢粉和介形虫......