POLLEN, DIATOM, AND MACROFLORAL ANALYSIS OF SAMPLES FROM A CORE NEAR CROSS PLAINS, WISCONSIN

Six samples representing marsh, lacustrine, and outwash sediment deposits were removed from a core that was collected from a small tributary flowing south into Black Earth Creek just outside the town of Cross Plains, Wisconsin for the purpose of recovering pollen, diatoms, and macrofloral remains. Analysis of these samples was undertaken as a pilot study to examine preservation and the potential for recovering information about vegetation and the paleoenvironmental history of this area from approximately the Last Glacial Maximum until nearly the middle Holocene. Assessment of these paleoenvironmental proxies will provide information to direct future studies.

本研究从采自威斯康星州克罗斯普莱恩斯镇郊、向南汇入黑土溪（Black Earth Creek）的小型支流的沉积岩芯中，获取了6份分别代表沼泽沉积、湖相沉积与冰水沉积的沉积物样本，采样目的为提取孢粉、硅藻及大植物遗存。本次以该批样本开展的分析作为预实验，旨在评估样本保存状态，并探究从约末次冰盛期至近乎全新世中期的地层中，提取该区域植被与古环境历史相关信息的可行性。对上述古环境代用指标的评估结果，将为后续相关研究提供科学指引。