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Ward Creek (1), Cazadero, Coast Range, Sonoma Co., California, USA

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Latitude & Longitude (WGS84): 38° 32' 20'' North , 123° 5' 44'' West
Latitude & Longitude (decimal): 38.5388888889, -123.095555556


An occurrence in the NE¼ sec. 17, T8N, R11W, MDM, on Ward Creek about 1.2 km WNW of Cazadero.

NOTE: Coordinates provided are approximate to the center of sec. 17.

Mineral List


17 valid minerals.

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References

Borg, Iris Y. (1956), Glaucophane schists and eclogite near Healdsburg, California: Geological Society of America Bulletin 67: 1563-1584.

Coleman, R.G. & D.E. Lee (1963), Glaucophane-bearing metamorphic rocks of the Cazadero area, California: Journal of Petrology: 4: 260.

Lee, Donald Edward, Coleman, R.G., Bastron, H., and Smith, V.C. (1966) A two amphibole glaucophane schist in the Franciscan formation, Cazadero area, California. USGS Professional Paper 550-C: 148, 149, 153, 154.

Essene, E.J. and W.S. Fyfe (1967) Omphacite in California metamorphic rocks. Contributions to Mineralogy and Petrology: 15, 23 pp.: 4.

Coleman, R.G. & J.J. Papike (1968), Alkali amphiboles from the blueshchists of Cazadero, California: Jour. Petr.: 9: 109, 111, 113-118.

Himmelberg, G.R. and Papike, J.J. (1969) Coexisting amphiboles from blueschist facies metamorphic rock. Journal of Petrology: 10: 104-113.

Klein, C. (1969) Two-amphibole assemblages in the system actinolite-hornblende-glaucophane. American Mineralogist: 54: 221, 225.

Wood, R. W. (1979) The iron-rich blueschist facies minerals: 2. Howieite. Mineralogical Magazine 43:363-370.

Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 171, 394, 399, 402, 404, 476, 484.

Oh, C. W., Liou, J. G. and Maruyanma, S. (1991). Low-temperature eclogites and eclogitic schists in Mn-rich metabasites in Ward Creek, California; Mn and Fe effects on transition between blueschist and eclogites. Journal of Petrology: 32: 275-301.
[www.minsocam.org/msa/Handbook/Winchite.PDF.]

DHZ, Vol. 2B, 2nd ed., p. 755.

Mineral and/or Locality  
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