Indian Ocean trade connections: characterization and commercial routes of torpedo jars

Heritage Science

Table 4 Biomarker ratios

Site	Sample ID	Ts/Tm	GAM/H30	GAM/H31R	H29/H30	H35/H34	H28/H30	2aMeH/H	24/4/23/3
Alagankulam, South-East India	AGM1	0.2	0.2	0.6	1.3	1.3	14.1	0.4	2.0
	AGM2	0.2	0.3	0.6	1.1	1.4	8.7	0.3	2.8
	AGM5	0.2	0.2	0.6	1.4	0.4	15.1	0.3	3.5
	AGM6	0.2	0.3	0.7	1.2	1.3	13.0	0.2	1.7
	AGM7	0.2	0.2	0.6	1.3	1.3	15.4	0.4	1.1
	AGM8	0.2	0.2	0.5	1.2	1.5	12.6	0.4	1.2
	AGM9	0.2	0.2	0.6	1.1	1.6	14.7	0.4	0.9
	AGM10	0.1	0.2	0.5	1.1	1.0	9.6	0.3	2.5
	AGM11	0.1	0.2	0.5	1.0	1.6	10.2	0.3	1.7
	AGM13	0.2	0.2	0.6	1.3	1.3	15.5	0.4	3.0
	AGM14	0.2	0.3	0.6	1.2	1.5	12.3	0.4	2.6
Al Hamr al-Sharqiya 1 on Inqitat	OM1	0.2	0.2	0.7	1.0	1.1	11.6	0.2	3.1
	OM2	0.2	0.3	0.7	1.0	1.2	11.6	0.2	2.0
	OM3	0.1	0.2	0.6	1.0	1.1	11.6	0.2	3.1
	OM4	0.1	0.3	0.7	1.0	1.2	8.5	0.2	4.1

Characteristic biomarker ratios calculated from the abundances of the various compounds detected in the extracted ion chromatograms (m/z 191) for samples from Alagankulam and from Al Hamr al-Sharqiya 1