柴达木地区冷湖剖面古地磁年代结果

1）数据内容： 古地磁数据能够建立冷湖剖面古地磁年代框架。2）数据来源及加工方法 数据来源为野外采集室内实验数据。 古地磁数据：采用小型汽油钻钻取2x2x2厘米的圆柱形样品，在磁屏蔽室内用低温超导磁力仪进行测量。具体热退磁步骤为: 室温、50℃、100℃、120℃、150℃、200℃、250℃、300℃、350℃、400℃、450℃、500℃、550℃、 580℃、610℃、630℃、650℃、660℃、670℃和680℃。进行地层产状校正后确定磁偏角和磁倾角并计算虚地磁极，并计算古纬度。3）数据质量 样品采集、实验处理均按照严格的标准进行，所获数据质量可靠。4）数据应用成果及前景 应用这套数据发表SCI论文1篇。

1) Data Content: Paleomagnetic data can be used to establish the paleomagnetic chronological framework of the Lenghu Section. 2) Data Sources and Processing Methods: The data are sourced from field-collected samples and subsequent laboratory experimental measurements. For paleomagnetic data: Cylindrical samples of 2×2×2 cm were drilled using a small gasoline-powered drill, and measured in a magnetically shielded room with a low-temperature superconducting magnetometer. The specific thermal demagnetization steps are as follows: room temperature, 50℃, 100℃, 120℃, 150℃, 200℃, 250℃, 300℃, 350℃, 400℃, 450℃, 500℃, 550℃, 580℃, 610℃, 630℃, 650℃, 660℃, 670℃ and 680℃. After correcting for stratigraphic attitude, magnetic declination and magnetic inclination were determined, the virtual geomagnetic pole was calculated, and paleolatitude was computed. 3) Data Quality: Sample collection and experimental processing were conducted in strict accordance with standardized protocols, yielding data of reliable quality. 4) Data Application Achievements and Prospects: One SCI-indexed academic paper has been published using this dataset.