Geochemical Variations in Sedimentary Records of Oxygen‐Depleted Marine Environments in Representative Geological Periods: New Perspectives From an Independent Component Analysis. - Yano, M.; Yasukawa, K.; Nakamura, K.; Kuroda, J.; Ikehara, M.; Iwamori, H.; Kato, Y. (Paleoceanography & Paleoclimatology, 2025)