Engelmann spruce (Picea engelmannii) as a biological monitor of changes in soil metal loading related to past mining activity

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doi: 10.1016/j.apgeochem.2004.01.022
Authors:Witte, Kerstin M.; Wanty, Richard B.; Ridley, W. Ian
Author Affiliations:Primary:
Colorado School of Mines, Department of Geology and Geological Engineering, Golden, CO, United States
Other:
U. S. Geological Survey, United States
Volume Title:Applied Geochemistry
Source:Applied Geochemistry, 19(9), p.1367-1376. Publisher: Pergamon, Oxford-New York-Beijing, International. ISSN: 0883-2927
Publication Date:2004
Note:In English. 32 refs.; illus., incl. 3 tables, sketch map
Summary:Engelmann spruce (Picea engelmannii) is the dominant tree species in many abandoned mine areas of the Rocky Mountains. It is long-lived, and therefore, may act as a long term biological monitor of changes in soil chemistry caused by past mining activity. In this study, laser ablation inductively coupled mass spectrometry (LA-ICPMS) was used to analyze individual tree rings of Engelmann spruce for Fe, Zn, Cu, Cd, Mn, Pb and Sr concentrations. Cores were obtained from trees growing in tailings-impacted and control (non-tailings impacted) sites near the Waldorf mine (Waldorf, CO, USA). Zinc, Cu, Fe, Cd, Pb and Sr concentrations remained low and consistent over time in the control tree rings. However, in the tailings impacted cores, concentrations of Zn, Cu, Fe and Cd increase significantly in post-mining rings. In addition, Zn, Cu, Fe, and Cd concentrations in pre-mining rings of both the control and tailings impacted cores are similar, indicating that present day soil concentrations of these elements in the control area are a reasonable estimation of background for this area. Lead and Sr concentrations in control and tailings-impacted rings remained similar and relatively constant through time and are not useful in determining changes in soil chemistry due to past mining activity. Abstract Copyright (2004) Elsevier, B.V.
Subjects:Abandoned mines; Acid mine drainage; Chemical composition; Coniferales; Controls; Environmental analysis; Geochemistry; Gymnospermae; ICP mass spectra; Laser ablation; Laser methods; Mass spectra; Metals; Mines; Mining; Monitoring; PH; Picea; Plantae; Pollutants; Pollution; Sampling; Soils; Spectra; Spermatophyta; Tailings; Trees; Vegetation; Arapahoe County Colorado; Colorado; United States; Leavenworth Creek; Picea engelmannii; Spruce; Waldorf Colorado; Waldorf Mine
Coordinates:N393300 N394300 W1034300 W1050400
Record ID:2005063478
Copyright Information:GeoRef, Copyright 2018 American Geosciences Institute. Reference includes data from CAPCAS, Elsevier Scientific Publishers, Amsterdam, Netherlands
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