Based on a study of Neoproterozaic carbonates in the Jilin-Liaoning-Xuzhou-Huaiyang area, especially its cyclic sequence stratigraphy and Sr isotopes, two maximum sea flooding events (at 820 Ma and 835 Ma) have been identified. The resulting isochronous stratigraphic correlation proves that these Precambrian strata were connected between the Qingbaikou and the Nanhuan systems with a time range from 750 Ma to 850 Ma. The disappearance of microsparite carbonate and coming of a glacial stage offer important evidence for worldwide stratigraphic correlation and open a window for further correlation of the stratigraphic successions across the Sino-Korean and Yangtze Plates. A new correlation scheme is therefore provided based on our work.
The rise of contemporary philosophy of cognitive neuroscience has greatly promoted the philosophical study of brain cognitive problems. While systematically reviewing and investigating the theoretical basis and research methods of cognitive neuroscience, it has pointed out the research direction for human to explore the traditional relationship between mind and brain. The development of philosophy of cognitive neuroscience is based on the philosophical cognition of brain cognitive mechanism. Its appearance has provided the most reasonable and sufficient cognitive reason for solving the long-standing dilemma of cognition and revealing the relationship between mind and brain, and it has important philosophical significance and theoretical value. The investigation of philosophical epistemology is not divorced from ontology, and any research on ontology as a mature knowledge system must make a reasonable proof for its own epistemology. By studying the relationship between ontology and epistemology of basic philosophical problems in cognitive neurology, this paper focuses on the criticism of modern epistemology philosophy by philosophy and Marx's revolutionary interpretation of the relationship between ontology and epistemology, and tries to make clear the unique research mode and great value of philosophical epistemology.
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