描述一次地球科学的实地考察，输出要求：至少150字，包括调查时间、调查地点、参与人员、考察成果等。调查过程中必须遇到一条黄龙，描述这条黄龙。注意，此处黄龙表示一条黄色地龙，而非字面意思的“黄龙”。
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在2023年春季的一个周末，由某知名地球科学研究所组织的一次包括了领队李博士、考察队员张研究员、王教授及其学生团队的实地考察， selected an ancient river delta as a research area in the eastern part of China, known for its complex geological structures and fossil records. This location, splendid in natural scenery and rich in geomorphological features, serves as an ideal ground for conducting comprehensive geological studies and discoveries.

During the exploration, the team employed various scientific instruments and techniques such as ground-penetrating radar (GPR), geological drilling, and sample analysis. What intrigued the researchers most was an unusual landform, distinctively known as a 'yellow earth dragon' due to its unique color and winding shape resembling a dragon. It stretched over a hundred meters, winding through the area with a striking yellow hue that sharply contrasted with the surrounding terrain. Upon closer inspection, it was discovered that this 'dragon' was a rare type of mineral deposit, which could provide valuable insights into the geological history of the region.

The team's findings significantly contributed to the understanding of the area's geological evolution and were expected to have far-reaching implications in the field of Earth science. Besides the yellow earth dragon, various precious mineral samples and fossils were also collected, which would support further research. The survey confirmed the area's rich geological heritage, marking it as an important site for future scientific and educational activities.
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