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Elemental distributions in the uppermost Permian Changxing Fm. in the Meishan...
An M4 Tornado Micro-XRF spectrometer system (Bruker Nano Analytics) equipped with micro-focused Rh source (50 kV, 600 µA) and poly-capillary optics (25-µm spot size) was used... -
GC-MS-based PAHs, C2-DBF and hopane ratio in the uppermost Permian Changxing ...
The non-polar fraction of toluene:MeOH (9:1) extracted sediment samples was analyzed by GC-MS on an Agilent gas chromatograph (GC, 6890) interfaced with an Agilent 5975 mass... -
MSI-based polycyclic and heterocyclic aromatic hydrocarbons (PAHs and C2-DBF)...
A 7T solariX XR Fourier transform-ion cyclotron resonance-mass spectrometer (FT-ICR-MS) equipped with a Smartbeam II laser (Bruker Daltonik, Bremen, Germany) was used for MSI... -
An expanded record of proxy data in the uppermost Permian Changxing Fm. in th...
The end-Permian mass extinction (EPME) is the severest mass extinction event in the Phanerozoic eon. According to the general hypothesis, the mass extinction was caused mainly...
