This file contains the measured thermal properties for THF hydrate + Quartz sediment mixtures.										
"These data are published in: Waite, W.F., Gilbert, L.Y., Winters, W.J. and Mason, D.H., 2005, Thermal property measurements in Tetrahydrofuran (THF) hydrate and hydrate-bearing sediment between -25 and +4¡C, and their application to methane hydrate, Paper 5042 in:  Fifth International Conference on Gas Hydrates, Trondheim, Norway, Tapir Academic Press, vol. 5, 1724-1733."										

Uncertainties for all samples:			Thermal conductivity:		± 0.01 W/máK		Thermal Diffusivity and Specific Heat: 			± 10%

Grain Size: Silt	10 micrometers (d50 = 10 micrometers)									
Porosity:	51.0±0.5%									
Average Initial Temperature (¡C)	Average Pressure (psi)	Silt Average Thermal Conductivity (W/m-K)	Silt Average Thermal Diffusivity (m2/s)	Silt Average Specific Heat (J/kg-K)	Silt Average Density (kg/m^3)					
-9.4972	286.66	2.2148	1.24E-06	1005	1780.5					
-14.31	286.42	2.2279	1.24E-06	1008.1	1781.3					
-19.116	286.71	2.2401	1.24E-06	1016	1782					
-23.92	286.51	2.2539	1.28E-06	993.96	1782.8					
-21.519	286.68	2.2442	1.29E-06	976.07	1782.4					
-16.71	286.72	2.2299	1.21E-06	1034	1781.7					
-11.901	286.34	2.2138	1.20E-06	1039.6	1780.9					
-7.093	286.34	2.203	1.22E-06	1034.4	1780.1					
-2.2857	286.39	2.213	1.14E-06	1110.6	1779.3
0.11775	286.27	2.2504	1.07E-06	1184.1	1778.9
1.0825	286.5	2.2902	7.97E-07	1616.7	1778.7
2.0456	286.6	2.3689	7.10E-07	1903.1	1778.5
3.0085	286.58	2.6325	4.12E-07	3667.9	1778.4



Grain Size: Sand	125-250 micrometers				
Porosity:	42.4± 0.4%				
Average Initial Temperature (¡C)	Average Pressure (psi)	Small Sand Average Thermal Conductivity (W/m-K)	Small Sand Average Thermal Diffusivity (m2/s)	Small Sand Average Specific Heat (J/kg-K)	Small Sand Average Density (kg/m^3)
0.66518	288.4	2.6407	1.08E-06	1266.9	1928.3
-9.5001	287.54	2.6603	1.70E-06	816.21	1929.9
-14.309	287.24	2.6906	1.82E-06	768.41	1930.6
-19.109	283.35	2.7161	1.85E-06	765.3	1931.3
-23.906	284.03	2.7412	1.84E-06	770.12	1932
-21.509	284.41	2.7291	1.83E-06	774	1931.6
-16.708	288.9	2.6971	1.81E-06	773.55	1930.9
-11.901	288.72	2.6615	1.84E-06	752.83	1930.2
-7.092	289.63	2.6242	1.71E-06	796.77	1929.5
-4.6863	290.07	2.607	1.73E-06	784.75	1929.1
-2.2815	289.77	2.5911	1.65E-06	819.72	1928.8
0.18768	288.59	2.6049	1.26E-06	1073.3	1928.4
1.1506	289.43	2.6369	1.03E-06	1330	1928.3
2.1098	289.09	2.7185	8.35E-07	1692.9	1928.1
3.0652	287.22	2.9709	4.59E-07	3356.4	1928
9.7801	286.71	2.556	1.15E-06	1148.3	1936.4



Grain Size: Sand	250-500 micrometers				
Porosity:	40.5±0.4%				
Average Initial Temperature (¡C)	Average Pressure (psi)	Medium Sand Average Thermal Conductivity (W/m-K)	Medium Sand Average Thermal Diffusivity (m2/s)	Medium Sand Average Specific Heat (J/kg-K)	Medium Sand Average Density (kg/m^3)
0.66517	289.74	2.719	1.09E-06	1268.6	1963.8
-9.5014	288.99	2.722	1.49E-06	936.78	1965.3
-14.307	289.92	2.7496	1.56E-06	907.16	1966
-19.113	289.86	2.7728	1.60E-06	882.17	1966.7
-23.914	288.85	2.8036	1.85E-06	779.56	1967.3
-21.514	288.85	2.79	1.75E-06	812.5	1967
-16.709	288.8	2.7625	1.69E-06	845.7	1966.3
-11.902	288.67	2.729	1.50E-06	962.21	1965.6
-7.0933	288.88	2.695	1.84E-06	783.03	1964.9
-4.6888	288.81	2.6777	1.76E-06	781.4	1964.6
-2.2848	288.97	2.6694	1.66E-06	836.04	1964.2
0.18535	288.29	2.6924	1.19E-06	1158	1963.9
1.1435	286.5	2.728	1.07E-06	1296.8	1963.7
2.1015	286.87	2.8146	7.66E-07	1899.4	1963.6
3.0619	286.64	3.0441	4.92E-07	3174	1963.4
9.7778	286.63	2.5829	1.22E-06	1081.4	1971.6



Grain Size: Sand	500-1000 micrometers				
Porosity:	40.5±0.4%				
Average Initial Temperature (¡C)	Average Pressure (psi)	Large Sand Average Thermal Conductivity (W/m-K)	Large Sand Average Thermal Diffusivity (m2/s)	Large Sand Average Specific Heat (J/kg-K)	Large Sand Average Density (kg/m^3)
0.64753	286.74	2.7357	1.21E-06	1152.6	1965.1
-9.5213	286.81	2.7322	1.78E-06	784.5	1966.5
-11.921	287.24	2.7458	1.72E-06	810.3	1966.9
-16.724	287.35	2.7709	1.80E-06	782.91	1967.6
-21.535	287.39	2.7943	1.85E-06	772.67	1968.3
-23.928	288.87	2.8204	1.89E-06	752.48	1968.6
-19.131	289.17	2.779	1.82E-06	780.99	1967.9
-14.327	284.25	2.7503	1.78E-06	787.55	1967.2
-7.114	285.43	2.703	1.72E-06	801.06	1966.2
-4.7024	287.86	2.6798	1.79E-06	767.87	1965.8
-2.2972	288.15	2.6787	1.67E-06	818.57	1965.5
0.17443	288.25	2.7184	1.31E-06	1056.8	1965.1
1.1346	288.4	2.7627	1.12E-06	1366	1816
2.0889	285.69	2.8396	7.57E-07	2111.4	1778.5
3.049	286.2	3.048	5.78E-07	2968.8	1778.4
9.763	284.68	2.5579	1.19E-06	1205.8	1787.7