Core close-up images of IODP Hole 386-M0081B

Collection of split cores' close-up images from the above given hole of International Ocean Discovery Program (IODP) Expedition 386 (Japan Trench Paleoseismology). The offshore phase of this expedition took place between 2021-04-13 and 2021-06-01 onboard Japanese R/V Kaimei from and to Yokosuka, Japan. Images were obtained during the onshore phase of the expedition, which took place between 2022-02-14 – 2022-03-15 onboard D/V Chikyu. Close-up photos were taken utilizing a standard photo camera by sedimentologists during visual core description. Decision on imaged intervals was subject to the core describers in charge. The standard IODP convention for labelling follows the syntax expedition number – hole – core plus core type ("H" [for hydraulic piston corer] indicates GPC cores, and "P" [for push corer] indicates trigger corer cores, see core summaries for further information) – section, top of interval in section [in cm] – bottom of interval in section [in cm], for instance "386-M0081A-1P-1,10-30" identifies a photo taken from the interval 10-30 cm within section 1 of core 1P from hole M0081A of expedition 386.For further methodological information see methods chapter in Strasser, M. et al., 2023 https://doi.org/10.14379/iodp.proc.386.102.2023

本数据集为国际大洋发现计划（International Ocean Discovery Program, IODP）386次航次（日本海沟古地震学研究）指定钻孔的岩心劈分特写图像集合。该航次的海上作业阶段于2021年4月13日至2021年6月1日期间开展，搭载日本“海鸣号（R/V Kaimei）”研究船从日本横须贺出发并返回横须贺。本次图像采集工作于航次陆上作业阶段完成，该阶段于2022年2月14日至2022年3月15日期间在“地球号（D/V Chikyu）”钻探船上进行。

特写照片由沉积学家在岩心目视描述过程中，使用标准数码相机拍摄完成。成像区间的选取由负责岩心描述的人员自主确定。

国际大洋发现计划标准命名规范遵循以下语法：航次编号-钻孔编号-岩心编号及岩心类型（其中“H”代表液压活塞取芯器（hydraulic piston corer, GPC），对应液压活塞取芯器岩心；“P”代表活塞取芯器（push corer），对应触发式取芯器岩心，详细信息参见岩心总结文档）-岩心段-区间顶部深度（单位：cm）-区间底部深度（单位：cm）。例如，“386-M0081A-1P-1,10-30”表示拍摄自386航次M0081A钻孔1P号岩心第1段内10cm至30cm区间的图像。

更多方法学细节可参阅Strasser M.等人2023年发表的相关章节，链接：https://doi.org/10.14379/iodp.proc.386.102.2023