Alternative-Location Sample
Definition
Material collected to address a relevant possible source other than the proposed scene. A reference should represent a relevant proposed environment and its variation. Document location, depth, time and collection method where they affect the question.
- Context
- Environmental comparison
For example, sampling a plausible alternative habitat can test an origin explanation that would be missed by examining only the proposed scene.
One convenient sample need not represent a whole location. A similarity with limited reference material does not establish a unique geographic source.
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