Castle Rock Quarry BE0211 - 12/10/2002

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We are beginning to realize that the upper side of the leaves, with their beautiful cuticle, aren't always the best specimens to identify our leaves. The cuticle typically flakes off as the matrix dries. The underlying leaf impressions are often unimpressive. The underside, or counterpart as shown in this image, is often the most scientifically important part of the leaf to recover and study.
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We are beginning to realize that the upper side of the leaves, with their beautiful cuticle, aren't always the best specimens to identify our leaves. The cuticle typically flakes off as the matrix dries. The underlying leaf impressions are often unimpressive. The underside, or counterpart as shown in this image, is often the most scientifically important part of the leaf to recover and study.