Sedimentary Environment Analysis by Grain-Size Data Based on Mini Batch K-Means Algorithm

Table 1

The dataset of “Sediment/Grain-Size” in the borehole Lz908.

No. of samples	No. of layers	Depth of top (m)	Depth of bottom (m)	>11.75()	11.75~11.50	…	0.25~0.00	0.00~ − 0.25	−0.25~ − 0.50	<−0.5 ()
Lz01-01	0001	2.45	2.47	0.00	17%		0.00	0.00	0.00	0.00
…	…	…	…	…	…	…	…	…	…
Lz59-77	2141	101.32	101.34	0.00	16%		0.00	0.00	0.00	0.00

(The size of sediment samples is 2141, and the number of various magnitudes of grain size is 51; 0.17 denotes the percentage of grain sizes with the magnitude of 11.75~11.50 accounting for the total number of 51 magnitudes of grain size in sample Lz01-01).