Trace Elements in West Virginia Coals

Lithium (Li) Summary Statistics

Lithium averages 19.09 ppm (± 18.12 ppm) in West Virginia coals with a histogram skewed toward low values and showing a tail toward higher values and a maximum value of 168.51 ppm in the Brush Creek coal (see cautionary note page). Lithium correlated with ash yield and the ash related elements thorium (Th), chromium (Cr), lead (Pb), vanadium (V), scandium (Sc) and zirconium (Zr). Lithium also correlated with rare earth elements which are components in the detrital mineral monazite such as cerium (Ce), lanthanum (La), samarium (Sm), europium (Eu), dysprosium (Dy) and neodymium (Nd).

**Spearman Correlation Coefficients (r) with Lithium**
Ash Yield	Th	Cr	Pb	Ce	V	La	Sc	Sm
+0.7393	+0.8174	+0.8147	+0.7839	+0.7794	+0.7785	+0.7592	+0.7590	+0.7087
n = 845	n = 822	n = 844	n = 842	n = 546	n = 844	n = 545	n = 845	n = 538
Hf	Eu	Ga	Nb	Dy	Zr	Ta	Nd	Cs
+0.7118	+0.6955	+0.6882	+0.6871	+0.6867	+0.6849	+0.6798	+0.6754	+0.6357
n = 509	n = 540	n = 844	n = 832	n = 78	n = 747	n = 462	n = 418	n = 781

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Page last revised: March 2, 2002

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