Experimental analysis on flaking of discoidal cores and its application in understanding the flake tool industry in North China

doi:10.16359/j.1000-3193/AAS.2021.0055

Abstract

Abstract:

The discoidal core characterized by the bifacial centripetal flaking method has played an essential role in the Chinese Paleolithic. This research focused on the long-term coexistence of discoidal and amorphous cores in Flake Tool Industry discovered in Northern China, and highlighted the differences between flakes produced by these two different methods. As a result, this study shows that three indexes can be used to distinguish the two methods: platform type, dorsal scar direction, and the proportion of flakes retaining the edge of the core platform. This study also implies technological analysis on flake is important to understand the reductional strategy of the Flake Tool Industry in North China.

Key words: Experiment, Discoidal core, Flaking, Flake tool industry

CLC Number:

K871.11

LI Wencheng. Experimental analysis on flaking of discoidal cores and its application in understanding the flake tool industry in North China[J]. Acta Anthropologica Sinica, 2022, 41(03): 514-522.

Figures/Tables 6

References 30

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类型Type	编号No.	毛坯 Blank			石核 Core			剥片数量 n of flaking
类型Type	编号No.	长L(mm)	宽b(mm)	厚d(mm)	长L(mm)	宽b(mm)	厚d(mm)	剥片数量 n of flaking
盘状石核Discoidal core	19XLL:3	72	95.6	47.4	20.5	50.4	37	20
	19XLL:5	116.4	141.7	56.8	26.2	51.5	42.1	36
	19XLL:6	76.4	90.9	32.3	22.4	43.6	38	24
	19XLL:7	96.4	142.3	44.7	39.7	70.3	64.6	19
	19XLL:8	58.6	91.8	40.1	31	50.7	44.8	18
非定型石核剥片Amorphous core	19XLL:9	72.2	83.4	52	47	55.3	31.8	13
	19XLL:10	87.6	93.5	50.9	28	50.9	34.4	27
	19XLL:11	94.8	107.9	45.4	89.7	55.7	41.8	23
	19XLL:12	52.8	82.7	26.9	40.1	44.5	21	15
	19XLL:13	88.8	134	43.4	67	71.8	49.9	32

类型Type	编号No.	毛坯 Blank			石核 Core			剥片数量 n of flaking
类型Type	编号No.	长L(mm)	宽b(mm)	厚d(mm)	长L(mm)	宽b(mm)	厚d(mm)	剥片数量 n of flaking
盘状石核Discoidal core	19XLL:3	72	95.6	47.4	20.5	50.4	37	20
	19XLL:5	116.4	141.7	56.8	26.2	51.5	42.1	36
	19XLL:6	76.4	90.9	32.3	22.4	43.6	38	24
	19XLL:7	96.4	142.3	44.7	39.7	70.3	64.6	19
	19XLL:8	58.6	91.8	40.1	31	50.7	44.8	18
非定型石核剥片Amorphous core	19XLL:9	72.2	83.4	52	47	55.3	31.8	13
	19XLL:10	87.6	93.5	50.9	28	50.9	34.4	27
	19XLL:11	94.8	107.9	45.4	89.7	55.7	41.8	23
	19XLL:12	52.8	82.7	26.9	40.1	44.5	21	15
	19XLL:13	88.8	134	43.4	67	71.8	49.9	32

台面类型Type of platform	盘状 Discoidal		非定型 Amorphous
台面类型Type of platform	数量n	百分比%	数量n	百分比%
自然面Cortical	4	3.4%	0	0
自然面+石片疤Cortical + Scar	5	4.3%	0	0
素台面Plain	39	33.3%	94	85.5%
节理面+石片疤Joint surface + Scar	2	1.7%	0	0
有疤（≥2个片疤）Dihedral + Faceted	44	37.6%	10	9.1%
线状Linear	6	5.1%	3	2.7%
点状Punctiform	12	10.3%	3	2.7%
脊状Ridge	5	4.3%	0	0
总计Total	117	100%	110	100%

台面类型Type of platform	盘状 Discoidal		非定型 Amorphous
台面类型Type of platform	数量n	百分比%	数量n	百分比%
自然面Cortical	4	3.4%	0	0
自然面+石片疤Cortical + Scar	5	4.3%	0	0
素台面Plain	39	33.3%	94	85.5%
节理面+石片疤Joint surface + Scar	2	1.7%	0	0
有疤（≥2个片疤）Dihedral + Faceted	44	37.6%	10	9.1%
线状Linear	6	5.1%	3	2.7%
点状Punctiform	12	10.3%	3	2.7%
脊状Ridge	5	4.3%	0	0
总计Total	117	100%	110	100%