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GeoRef Categories
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Availability
Variation in Holocene El Niño frequencies: Climate records and cultural consequences in ancient Peru Available to Purchase
Mollusks and coastal archaeology; A review Available to Purchase
Abstract During the last 20 years, mollusks were elevated to a rather elite position in the dating, interpretation, and reconstruction of environments and activities at coastal archaeological sites. Previously viewed as rather passive constituents of such sites, mollusk shells now are used for their stable-isotope and traceelement content in paleotemperature and paleosalinity analyses, for 14C and amino-acid content in the dating of archaeological occurrences, as "tape recorders" of environmental perturbations and seasonal and climatic changes, and as indicators of past human behavior. In this review we have attempted to capture the flavor of this activity as well as predict future directions. We recognize that our treatment of the subject is not exhaustive, but hope that we have stressed the more dynamic aspects of mollusks in coastal archaeology.
Paleoecological implications of cohort survivorship for Mya arenaria in Massachusetts estuarine waters Available to Purchase
Comment and Reply on “Sea-level curve for Pennsylvanian eustatic marine transgressive-regressive depositional cycles along midcontinent outcrop belt, North America”: COMMENT Available to Purchase
Comment and Reply on “Correlation of Carboniferous strata using a hierarchy of transgressive-regressive units”: REPLY Available to Purchase
Correlation of Carboniferous strata using a hierarchy of transgressive-regressive units Available to Purchase
Paleoecological Anatomy of a Conemaugh (Pennsylvanian) Marine Event Available to Purchase
Detailed paleoecological analysis of the Upper Pennsylvanian Ames limestone and shale near Morgantown, West Virginia, suggests that the Ames transgression in that area was very rapid, presumably over a low-relief plain. Evidence of stillstand is in a lower Ames shale sequence immediately overlying the Harlem coal and, thus, is at odds with traditional interpretations which have placed stillstands in the limestone units of cyclothems. This interpretation is based upon a faunal analysis that resulted in the subdivision of the total Ames marine sequence into five communities: a basal stable mature community with maximum faunal diversity (stillstand); three distinct, and probably laterally adjacent, relict mature communities (regression); and an upper “mixed” community in the final regressive phase of the Ames marine event. The latter might be an assemblage, rather than a reflection of a once living community.