Table T1. Comparison of core liner temperatures, curated depth, and depth assigned based on infrared thermal image processing for intervals containing hydrate nodules or fizzing sediment.

Table T1. Comparison of core liner temperatures, curated depth, and depth assigned based on infrared thermal image processing for intervals containing hydrate nodules or fizzing sediment.


Core, section	Observation	Core liner temperature (°C)*	Ambient liner temperature (°C)^†	T (°C)	Depth (mbsf)	IR camera depth (mbsf)	Depth (cm)
201-1230B-
12H-2	Foliated nodule	13.2	17.55	-4.35	81.54	81.76	+22
201-1230A-
15H-5	Fizzing sediment	17	19.48	-2.48	123.47	123.37	-10
18H-3	Fizzing sediment	15.4	19.73	-4.33	141.8	141.9	+10
19H-1	Nodule	16.6	22.08	-5.48	148.3	148.57	+27
26H-2	Fizzing sediment	15.5	19.01	-3.51	199.91	199.58	-33
			Average:	-4.03

Notes: * = core liner temperature measured at the location of hydrate or fizzing sediment. † = average temperature of the core liner adjacent to the hydrate-bearing or fizzing sediment interval. IR = infrared.