Case File Information

Date of Event / Case File: 10/02/2008


At approximately 3:00 a.m., October 2, 2008, the witness got up and noted that it was “real light” outside, but didn’t look out. A black circle about 15 feet across in the direction of the bright light was noticed the morning after the event.

The black residue around the circle was “kind of frosted” and glowed somewhat. A photograph of the circle follows.

The objective is to examine the circle soil for any anomalies.


  • No unique materials were detected in the circle soil. All samples contain the usual soil components: silicate (mostly quartz mineral); calcium carbonate (calcite mineral); probable calcium sulfate (gypsum mineral) and fulvic acid (humate derived from the soil organics). There is also inorganic nitrate in all the samples. Literature (footnote) suggests possible sources of nitrate in soil as fertilizers, manures, mineralization and nitrification of plant and crop residues, conversion of nitrogen in the atmosphere by bacteria.1 However, we can rule out fertilizer because the owner related: “We never fertilize the pasture.”
  • There does seem to be more crystallinity in the circle soil and control soil which was obtained only 2’ from the circle components (quartz) compared to the control soil obtained 50’ away. Also, there is less water in the circle and control soils than in the control soil 50’ from the circle. This may be due to exposure to higher temperature. However, this is very highly speculative and not confirmed. Possible additional XRD analysis may determine if this is true.2
  • The circle soil was mistakenly diluted with the control sample when it was collected. So it is unknown if this rendered any unique materials below the limit of detection of the analysis. Also, the ring soil was collected 18 days after the event. So it is highly possible that anything present may have been weathered away.

The Analysis

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