Relationship between peat geochemistry and depositional environments, Cranberry Island, Maine
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Abstract
The Heath, Great Cranberry Island, Maine, offers a unique locality for studying lateral and vertical relationships between radically different peat types within 1 km2. The majority of The Heath is a Sphagnum moss-dominated raised bog. Surrounding the raised bog is a swamp/marsh complex containing grass, sedge, Sphagnum moss, alder, tamarack, and skunk cabbage. Swamp/ marsh-deposited peat occurs both around the margins of The Heath and under Sphagnum-dominated peat, which was deposited within the raised bog. A third peat type, dominated by herbaceous aquatics, is present underlying the swamp/marsh-dominated peat but is not present as a dominant botanical community of The Heath. The three peat types have major differences in petrographic characteristics, ash contents, and associated minerals. Sulfur contents range from a low of 0.19 wt.% (dry) within the raised bog to a high of 4.44 wt% (dry) near the west end of The Heath, where swamp/marsh peat occurring directly behind a storm beach berm has been influenced by marine waters. The presence of major geochemical variations within a 1-km2 peat deposit suggests the need for in-depth characterization of potential peat resources prior to use.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Relationship between peat geochemistry and depositional environments, Cranberry Island, Maine |
| Series title | International Journal of Coal Geology |
| DOI | 10.1016/0166-5162(87)90030-9 |
| Volume | 8 |
| Issue | 1-2 |
| Year Published | 1987 |
| Language | English |
| Publisher | Elsevier |
| Description | 13 p. |
| First page | 175 |
| Last page | 187 |
| Google Analytic Metrics | Metrics page |