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Most of the Martian analog samples in this
investigation have been measured using a Sapphire Instruments magnetic
susceptibility meter that measures at 600 Hz and 6,000 Hz. These
measurements were all conducted at the USGS – Denver Federal Center office
with the help of Dr. Rich Reynolds. The analog samples were loaded into
2.5 cc cubes and placed in the same coil for both frequency measurements.
The stack and measurement time settings were maximized to get the most accurate data. The figure graphically shows the wide range of magnetic susceptibilities (in SI) while the table below shows the actual values.
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| Magnetic Susceptibility in m3/kg | |||||
| Sample Name | Sample ID | 600 Hz | StDev | 6000 Hz | StDev |
| HI1 | HI1 | 1.0E-05 | 2.4E-08 | 9.7E-06 | 1.6E-08 |
| HI2 | HI2 | 6.0E-06 | 8.8E-09 | 5.8E-06 | 1.8E-08 |
| HI3 | HI3 | 3.2E-06 | 1.7E-08 | 3.1E-06 | 1.1E-08 |
| HI4 | HI4 | 4.7E-05 | 2.2E-07 | 4.8E-05 | 1.4E-07 |
| HI5 | HI5 | 8.5E-06 | 3.7E-08 | 8.1E-06 | 4.6E-08 |
| HI6 | HI6 | 1.1E-06 | 1.5E-08 | 1.0E-06 | 1.6E-08 |
| HI7 | HI7 | 5.9E-06 | 3.0E-08 | 5.6E-06 | 2.9E-08 |
| HI8 | HI8 | 5.7E-05 | 2.4E-07 | 4.9E-05 | 8.7E-08 |
| HI9 | HI9 | 3.7E-05 | 8.0E-08 | 3.3E-05 | 1.4E-07 |
| HI10 | HI10 | 2.7E-05 | 1.3E-07 | 2.5E-05 | 8.4E-08 |
| HI11 | HI11 | 2.1E-05 | 8.2E-08 | 1.9E-05 | 2.9E-07 |
| HI12 | HI12 | 4.1E-06 | 2.3E-08 | 4.0E-06 | 2.2E-08 |
| HI13 | HI13 | 5.0E-06 | 2.2E-08 | 4.9E-06 | 1.7E-08 |
| HI14 | HI14 | 1.0E-05 | 2.4E-08 | 9.5E-06 | 2.2E-08 |
| Pahala Ash | PahAsh | 2.4E-06 | 2.6E-08 | 2.2E-06 | 1.6E-08 |
| Pu'u Huluhulu Ash | PuHulAsh | 1.4E-05 | 4.2E-08 | 1.3E-05 | 2.9E-08 |
| Pu'u Huluhulu Cinders | PuHulCin | 9.5E-06 | 2.0E-08 | 7.9E-06 | 4.6E-08 |
| JSC-1 | JSC1 | 9.124E-06 | 5.0E-08 | 7.888E-06 | 2.7E-08 |
| Pu'u Nene Horizon B | PNeHIB | 8.7E-06 | 5.2E-08 | 7.7E-06 | 2.6E-08 |
| Pu'u Nene Horizon C | PNeHIC | 8.1E-06 | 1.5E-08 | 6.7E-06 | 1.9E-08 |
| Pu'u Nene Horizon D | PNeHID | 1.1E-05 | 2.9E-08 | 8.3E-06 | 3.8E-08 |
| Hematite | Hem | 2.2E-04 | 1.1E-06 | 2.2E-04 | 1.2E-06 |
| Hematite Orenburg | HemOr | 1.6E-06 | N/A | 1.6E-06 | N/A |
| Magnetite | Magn | 4.531E-04 | 3.7E-06 | 4.636E-04 | 5.8E-06 |
| Gold Ochre | Gochr | 1.8E-07 | N/A | 1.9E-07 | N/A |
| Goethite (Brown Ochre) | Goeth | 5.6E-07 | N/A | 5.6E-07 | N/A |
| Jarosite | Jaro | 3.7E-07 | N/A | 3.8E-07 | N/A |
| Sienna | Sienna | 2.6E-07 | N/A | 2.6E-07 | N/A |
| Red Ochre (warm) | Rochr | 1.4E-07 | N/A | 1.5E-07 | N/A |
| Green Sand Beach | GrSaBeHI | 4.9E-07 | 7.1E-09 | 4.8E-07 | 5.4E-09 |
| Grey Hematite (Michigan) | GHKewMI | 2.6E-06 | 1.7E-07 | 2.6E-06 | 2.7E-08 |
| Grey Hematite (Oxidized; Mexico) | GHSieMME | 3.5E-07 | 5.0E-09 | 3.5E-07 | 4.0E-09 |
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