Table 2. New radiocarbon dates from Riwi Cave.

SU	Context	Feature	Collection method	Genus	%C	Pre-treatment	Lab ID	14C date (BP)	Error (1σ)
1 top	SQ4-XU1-QD		5mm sieve	Corymbia sp. (Type R01)	62	ABA	SANU-38220	18930	50
1 mid	SQ4-SOUTH-24	scattered in leafy layer	wall section 2012	Not determined		ABA	D-AMS004068	816	27
1 mid	SQ1-EAST-34	scattered charcoal	wall section 2012	Not determined		ABA	D-AMS004064	956	29
1 base	SQ3 XU8 QC			Grevillea/Hakea sp.	42	Holo-cellulose	SANU-43337	670	20
SU1/3	SQ3-SOUTH-26	scattered	wall section 2012	Corymbia sp. (Type R01)	68	ABA	SANU-39505	6385	30
SU1/2	SQ4-XU5-QD	scattered top grey layer	5mm sieve residue	Mallotus sp.	59	ABA	SANU-38221	6445	30
2 pit	SQ3-WEST-21	scattered in pit cutting Pleistocene layer	wall section 2012	Not determined		ABA	D-AMS004069	6179	29
2 top	SQ1-SOUTH-36	scattered charcoal	wall section 2012	Not determined		ABA	D-AMS004065	6206	37
2 top	SQ4-XU8-QD	Scattered at base of grey layer	5mm sieve residue	Corymbia sp. (Type R01)	56	ABA	SANU-38223	6245	30
2 top	SQ1-EAST-32	scattered charcoal in ashy layer	wall section 2012	Not determined		ABA	D-AMS004063	6384	32
2base	SQ1-EAST-26	ashy layer (hearth?)	wall section 2012	Not determined		ABA	D-AMS004061	6250	35
2base	SQ1-EAST-28	ashy layer (hearth?)	wall section 2012	Not determined		ABA	D-AMS004062	6315	32
2base	SQ4-SOUTH-20	scattered at top of grey layer	wall section 2012	Not determined		ABA	D-AMS004067	6452	34
3	SQ3-XU3-QD	Hearth feature 1?	5mm sieve	Corymbia sp. (Type R01)	55	ABA	SANU-38225	18390	60
3	SQ3-XU5-QD-Feature 1	hearth feature 1	5mm sieve	Corymbia sp. (Type R01)	56	ABA	SANU-38226	16930	50
					60	ABA	SANU-38814	16850	100
4	SQ3-EAST-32	scattered grey layer	wall section 2012	Not determined	53	ABA	SANU-39509	27280	160
5	SQ3-EAST-30	scattered red layer	wall section 2012	Corymbia sp. (Type R01)	66	ABA	SANU-39507	30690	220
6	SQ3-EAST-28	hearth	wall section 2012	Corymbia sp. (Type R01)	63	ABA	SANU-39506	29050	180
					62	ABA	SANU-39510	29350	190
6	SQ1-EAST-20	no details	wall section 2012	Corymbia sp. (Type R01)	69	ABOx-SC	SANU-35907	29790	190
6	SQ3-NORTH-18	hearth	wall section 2012	Corymbia sp. (Type R01)	59	ABOx-SC	SANU-35920	30110	200
6	SQ3-NORTH-22	hearth	wall section 2012	Not determined		ABA	D-AMS004070	30154	141
7 top	SQ1-SOUTH-32	scattered charcoal	wall section 2012	Unidentifiable	51	ABOx-SC	SANU-35916	29720	190
7mid	SQ4-SOUTH-17	hearth	wall section 2012	Not determined		ABA	D-AMS004066	31888	153
7base	SQ1-SOUTH-29	hearth	wall section 2012	Corymbia sp. (Type R01)	58	ABOx-SC	SANU-35914	33000	280
					54	ABOx-SC	SANU-35921	33270	280
					70	ABA	SANU-35924	32910	270
7 base	SQ4-XU12-QD	no details	excavation, in situ sample	Myrtaceae sp.	58	ABOx-SC	SANU-37707	34450	340
9 top	SQ1-SOUTH-25	scattered charcoal/hearth	wall section 2012	Corymbia sp. (Type R01)	60	ABOx-SC	SANU-35913	33850	300
9	SQ1-EAST-16	scattered charcoal	wall section 2012	Corymbia sp. (Type R01)	75	ABOx-SC	SANU-35906	33560	300
9	SQ3-NORTH-14	scattered charcoal	wall section 2012	Unidentifiable	68	ABOx-SC	SANU-35919	34000	310
10 top	SQ4-SOUTH-12	hearth	wall section 2012	Corymbia sp. (Type R01)	73	ABOx-SC	SANU-35918	33340	280
10 mid	SQ3-XU19-QB	scattered charcoal	excavation, in situ sample	Corymbia sp. (Type R01)	53	ABOx-SC	SANU-37706	36680	420
11 mid	SQ1-SOUTH-12	hearth	wall section 2012	cf. Corymbia sp.	71	ABOx-SC	SANU-35911	41520	750
					79	ABOx-SC	SANU-35922	41690	760
11	SQ1-SOUTH-9	scattered charcoal	wall section 2012	Unidentifiable	62	ABOx-SC	SANU-35910	29840	190
12 top	SQ1-SOUTH-2	hearth	wall section 2012	Corymbia sp. (Type R01)	69	ABOx-SC	SANU-35909	41590	760
12 top	SQ4-SOUTH-1	charcoal lens	wall section 2012	Unidentifiable	63	ABOx-SC	SANU-35917	42140	810
					68	ABA	SANU-35925	41050	710

Radiocarbon dates have been calibrated against SHCal13 in OxCal v.4.2 [30, 31].