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Crestmore quarries, Crestmore, Riverside Co., California, USA
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Latitude: 34°1'25"N
Longitude: 117°23'2"W
 
 
Two irregular, very roughly parallel, lenticular bodies of magnesium-rich limestone of Mississippian age were deposited, each approximately 400 feet thick, and whose principal portions have dips up to 45° E or ENE. The prevalent N or NNW strike conforms to the trend of the Peninsular Range to the south, and is almost perpendicular to that of certain other metamorphic rocks near Riverside (Woodford et al., 1941).

The lower is the Chino Limestone and the upper is the Sky Blue Limestone. They are separated by gneissic hornfelses, quartz-mica schists and diorite. The beds were metamorphosed and recrystallized into marble during the early Triassic. Several later magmatic intrusions produced a complex suite of contact metamorphic minerals.

The first intrusion was of quartz diorite that penetrated the Chino Limestone. The second intrusion was of a quartz monzonite porphyry that was responsible for the classic contact metamorphism and skarn mineralogy. This latter intrusion was comprised of two pipe-like structures, ranging from 200 to 300 feet diameter. The first pipe intruded the quartz diorite and the Sky Blue Limestone. The second pipe pushed up through the metasedimentary rocks and terminated in the Sky Blue Limestone (Forrester, 2004). Numerous large and small pegmatite dikes cut the quartz monzonite porphyry and extend into the adjacent rocks, especially into the great masses of garnet-rich contact rocks which have developed from the original limestone (Woodford et al., 1941). The end result was a high-temperature, low-pressure contact aureole with marbles, skarn and pegmatites.

For more information, see the Crestmore page (http://www.mindat.org/loc-15527.html).

Mindat Articles

Wightmanite by Richard Gunter


Mineral List

Mineral list contains entries from the region specified including sub-localities
Acanthite
Actinolite
Aegirine
Afwillite
Albite
var: Andesine
var: Oligoclase
'Allanite'
Allanite-(Ce)
Almandine
Amphibole Supergroup
var: Uralite

Andradite
Anglesite
Anorthite
var: Bytownite
var: Labradorite
'Apatite'
'Apophyllite'
Aragonite
Arsenopyrite
Augite
'Axinite Group'
Azurite
Bayldonite
'Biotite'
Bornite
Brucite
Bultfonteinite
Calcite
'Cebollite'
Celestine
Cerussite
'Chabazite'
Chalcocite
Chalcopyrite
'Chlorite Group'
Chondrodite
Chromite
Chrysocolla
Chrysotile
Clinochlore
Clinohumite
Clinozoisite
Clintonite
Corundum
'Crestmoreite'
Cristobalite
Cuprite
Cuspidine
Danburite
Datolite
'Deweylite'
Diopside
var: Diallage
Dolomite
Dravite
'Ellestadite'
'Ellestadite-(Cl)' (TL)
Epidote
Epistilbite
Ettringite
Fluoborite
Fluorapatite
Fluorellestadite
var: Wilkeite
Forsterite
Foshagite (TL)
Gahnite
Galena
Ganomalite
'Garnet'
Gehlenite
Geikielite
Goethite
Gonnardite
Graphite
Greenockite
Grossular
var: Hibschite
var: Plazolite
'Grossular-Hibschite Series'
Gypsum
var: Selenite
Gyrolite
Harkerite
Hawleyite
Hedenbergite
Hematite
Hemimorphite
Hercynite
'Heulandite'
Hillebrandite
'Hornblende'
Humite
Huntite
Hydrocalumite
Hydromagnesite
Hydrotalcite
'Hydrotroilite'
Hydroxylellestadite
Hydrozincite
Ilmenite
Jennite (TL)
Laumontite
Laumontite
var: Caporcianite

'Limonite'
Lizardite
Löllingite
Magnesioferrite
Magnesite
Magnetite
Malachite
Margarite
Meionite
Melanterite
'Melilite'
Merwinite (TL)
Microcline
Mimetite
Minium
Molybdenite
Monticellite
Montmorillonite
Mordenite
Mottramite
Muscovite
var: Sericite
Nadorite
Nasonite
Natrolite
Nekoite (TL)
Nontronite
Okenite
Opal
var: Opal-AN
Orpiment
Orthoclase
Oyelite
Pargasite
Periclase
Perovskite
'Phillipsite'
Phlogopite
Plattnerite
Plombièrite
Powellite
Prehnite
Pyrite
Pyromorphite
Pyrrhotite
Quartz
var: Chalcedony
Realgar
Riversideite (TL)
Rutile
Safflorite
'Scapolite'
Scawtite
Scheelite
Schorl
Scolecite
Sepiolite
Serendibite
'Serpentine Group'
Siderite
Smithsonite
Sphalerite
Spinel
var: Ceylonite
Spurrite
Sternbergite
Stibnite
'Stilbite'
Stilbite-Ca
Stringhamite
Strontianite
Szaibélyite
Tennantite
Tenorite
Tetrahedrite
Thaumasite
'Thomsonite'
Thomsonite-Ca
Thorite
var: Orangite

'Thorogummite'
Tilleyite (TL)
Titanite
Tobermorite
'Tourmaline'
Tremolite
Uranophane
Uvarovite
Vermiculite
Vesuvianite
var: Californite
Vonsenite
Whelanite
Wightmanite (TL)
Wollastonite
'Wollastonite-1T'
'Wollastonite-2M'
Wulfenite
'Xanthochroite'
Xonotlite
'Zinnwaldite'
Zircon
Zoisite
var: Thulite


230 entries listed. 160 valid minerals. 7 type localities (valid minerals). 1 type locality (other).

Localities in this Region

USA

The above list contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to visit any sites listed in mindat.org without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.

References

NOTE: References provided under this file pertain to the Crestmore quarries as a whole and may or may not duplicate reference entries for specific subordinate localities. References pertinent to specific sub-localities are found under those files.

Eakle, A.S. and Rogers, A.F. (1914) Wilkeite, a new mineral of the apatite group and okenite, its alteration product. American Journal of Science: 37: 262-267

Eakle, A.S. (1914) Some contact metamorphic minerals in crystalline limestone at Crestmore (abstract). Geological Society of America Bull.: 25: 125.

Eakle, A.S. (1916) Xanthophyllite in crystallinbe limestone. Journal of the Washington Academy of Science 6: 332-335.

Eakle, A.S. (1917) Minerals associated with crystalline limestone at Crestmore, Riverside County, California. University of California Bull. Department of Geology: 10: 327-360.

Rogers, A.F. (1918b) An American occurrence of periclase and its bearing on the origin and history of calcite-brucite rocks. American Journal of Science: 46: 581-586.

Eakle, A.S. (1920) New and rare minerals formed in limestone by contact metamorphism (abstract). Geological Society of America Bull.: 31: 162-163.

Foshag, W.F. (1920a) Thaumasite (and spurrite) from Crestmore, California. American Mineralogist: 5: 80-81.

Foshag, W.F. (1920d) Plazolite, a new mineral from Riverside, California. American Mineralogist: 5: 183-185.

Eakle, A.S. (1921) Jurupaite, a new mineral. American Mineralogist: 6: 107-109.

Larsen, E.S. and Foshag, W.F. (1921) Merwinite, a new calcium-magnesium orthosilicate from Crestmore, California. American Mineralogist: 6: 143-148.

Foshag, William Frederick (1924c), Centrallasite from Crestmore, California: American Mineralogist: 9: 88-90.

Eakle, A.S. (1925) Foshagite, a new silicate from Crestmore, California. American Mineralogist: 10: 97-99.

Eakle, A.S. (1927) Famous mineral localities: Crestmore, Riversdie County, California. American Mineralogist: 12: 319-321.

Tilley, C.E. (1928) On a custerite-bearing contact rock from California Geology Magazine: 65: 371-372.

Rogers, A.F. (1929) Periclase from Crestmore near Riverside, California, with a list of minerals from this locality. American Mineralogist: 14: 462-469.

Daly, John W. (1933),Paragenesis of mineral assemblages at Crestmore, California (abstract): Pam American Geologist: 59:312-313; […Geological Society of America Proceedings 1933: 1: 311 (1934); …American Mineralogist: 20: 638-659 (1935)].

Dunham, K.C. (1933) A note on the texture of the Crestmore contact rocks. American Mineralogist: 18: 474-477.

Larsen, E.S. and Dunham, K.C. (1933) Tilleyite, a new mineral from the contact zone at Crestmore, California. American Mineralogist: 18: 469-473.

Moehlman, R.S. and Gonyer, F.A. (1934) Monticellite from Crestmore, California. American Mineralogist: 19: 474-476.

Daly, J.W. (1935) Paragenesis of the minerals a Crestmore, Riverside County, California. American Mineralogist: 20: 638-659.

Peacock, Martin Alfred (1935), On wollastonite and parawollastonite American Journal of Science, 5th. series: 30: 495-529.

Merriam, R. and Laudermilk, J.D. (1936) Two diopsides from southern California. American Mineralogist: 21: 715-718.

Daly, John W. (1937), The Crestmore locality: Pacific Mineralogist: 4(1): 29-32.

Kelley, Vincent Cooper (1937a), Notes on mineralization at Crestmore, California: American Mineralogist: 22: 140-141.

McConnell, Duncan (1937), The substitution of SiO4 and SO4 groups for PO4 groups in the apatite structure; ellestadite, the end-member: American Mineralogist: 22: 977-986.

Murdoch, J. and Webb, R.W. (1938) Notes on some minerals from southern California. American Mineralogist: 23: 349-355.

Bradley, W.W. (1939), Thirty-fifth report of the State Mineralogist: California Division Mines Report 35: 498.

Rogers, Austin Flint (1939), Monticellite rock from Crestmore, California (abstract): American Mineralogist: 24: 192.

Woodford, A.O., Lauderilk, J.D. and Bailey, E.H. (1940) Treanorite, a new mineral from Crestmore, California (abstract). Bulletin of the Geological Society of America: 51: 1965.

Bradley, W.W. (1941), Thirty-seventh report of the State Mineralogist: California Division Mines Report 37: 194.

Woodford, A.O., Crippen, R.A. and Garner, K.B. (1941) Section across Commercial Quarry, Crestmore, California, American Mineralogist: 26: 351-381.

Woodford, A.O. (1943), Crestmore minerals: California Division Mines Report 39: 333-365.

Tilley, Cecil Edgar (1947), Cuspidine from dolomite contact skarns, Broadford, Skye: Mineralogical Magazine: 28: 90-95.

Rosenholtz, Joseph Leon & Dudley T. Smith (1950): Crestmore sky-blue marble, its linear thermal expansion and color: American Mineralogist: 35: 1049-1054.

Murdoch, Joseph (1951a), Unit cell of hydromagnesite: (abstract): Geological Society of America Bulletin: 62: 1465;

Murdoch, Joseph (1951b), Perovskite from California: (abstract) Geological Society of America Bulletin: 60: 1911; […(abstract): American Mineralogist: 35: 287; …American Mineralogist: 36: 573-580]: 573.

Burnham, C. W. (1954), Contact metamorphism at Crestmore, California: California Division Mines & Geol. Bulletin 170, Ch. VII: 61-70.

Murdoch, Joseph (1954a), The unit cell of hydromagnesite: (abstract): American Mineralogist: 37: 296-297; […American Mineralogist: 39: 24-29 (1954)].

Gard, John Alan & H.F.W. Taylor (1956), Okenite and nekoite: Mineralogical Magazine: 31: 5-20.

Heller, L. & H.F.W. Taylor (1956), Crystallographic data for the calcium silicates, H.M. Stationery Office, 79 pp.: 34.

Jenni, Clarence M. (1957), Crestmore and its minerals: Gems & Minerals, No. 236: 64, 66 (May, 1957).

Jenni, Clarence M. (1957), Crestmore and its minerals: Gems & Minerals, No. 237: 38-40 (June 1957): 36, 38.

Jenni, Clarence M. (1957), Crestmore and its minerals: Gems & Minerals, No. 238: 34-79 (July 1957).

Jenni, Clarence M. (1957), Crestmore and its minerals: Gems & Minerals, No. 239: 50 (August 1957): 50.

Jenni, Clarence M. (1957), Crestmore and its minerals: Gems & Minerals, No. 240: 46 (September 1957).

Strunz, H. and Micheelsen, H. (1958) Calcum-phyllosilicate. Naturwissenschaften: 21: 515-516.

Burnham, C.W. (1959) Contact metamorphism of magnesian limestones at Crestmore, California. Bulletin of the Geological Society of America: 70: 879-920.

Anonymous (1960), World news on mineral occurrences: Rocks & Minerals: 35: 462.

Murdoch, Joseph & Robert A. Chalmers (1960), Ettringite (“woodfordite”) from Crestmore, California: American Mineralogist: 45: 1275-1278.

Murdoch, J. (1961) Crestmore, past and present. American Mineralogist: 46: 245-257.

Schaller, Waldemar Theodore & Angelina Calomeris Vlisidis (1961), The composition of aluminian Ludwigite from Crestmore, California: American Mineralogist: 46: 335-339.

Carpenter, A.B. (1962), Mineral assemblage, magnesium calcite-aragonite-huntite at Crestmore, California (abstract): Geological Society of America Program of Annual Meeting, 1961, Nov 2-4, Cincinnati, Ohio: 22A; ibid. Special Paper 68: 146 (1962).

Murdoch, Joseph (1962a), Wightmanite, a new borate mineral from Crestmore, California: American Mineralogist: 47: 718-722.

Berry, Leonard G. (1963a), The unit cell of ettringite: American Mineralogist: 48: 939.

Carpenter, A.B. (1963), Oriented Overgrowths of thaumasite on ettringite: American Mineralogist: 48: 1394-1395.

Segnit, Ralph E. & C.J. Lancucki (1963), Fluoborite from Crestmore, California: American Mineralogist: 48: 278-282.

Carpenter, A.B., R.A. Chalmers, J.A. Gard, K. Speakman & H.F.W. Taylor (1966), Jennite, a new mineral: American Mineralogist: 51: 56-74.

Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 60, 64, 82, 87, 92, 94, 111, 115, 118, 144, 151, 152, 164, 165, 166, 172, 174, 176, 183, 185, 195, 207, 220, 235, 245, 246, 253, 255, 269, 272, 273, 274, 278, 280, 282, 285-286, 295, 302, 307, 312, 315, 317, 319, 328, 332, 334, 335, 336, 337, 343, 344, 345, 347, 348, 352, 364, 365, 366, 367, 368, 371, 381, 384, 387, 390, 391, 392, 393.

Kinsman, D.J.J. (1967) Huntite from a carbonate evaporate environment. American Mineralogist: 52: 1332-1340.

Wilkins, R.W.T. and Sabine, W. (1973) Water content of nominally anhydrous silicates. American Mineralogist: 58: 512-513.

Vlisidis, A.C. and Schaller, W.T. (1974) The identity of paigeite with vonsenite, and chemical analysis of vonsenite, ludwigite and hulsite. Neues Jahrbuch für Mineralogie, Monatshefte 1974(3-4): 95-105.

Hindman, J.R. (1976) Stringhamite, a new hydrous calcium silicate from Utah. American Mineralogist: 61: 189-192.

American Mineralogist(1982): 67: 90-92.

Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 55, 72, 76, 77, 80, 85, 86, 90, 94, 97, 132, 134, 146, 150, 161, 174, 182, 200, 204, 211, 216, 221, 222, 226, 229, 231, 236, 237, 265, 300, 316, 325, 356, 348, 361, 367, 368, 372, 374, 380, 384, 387, 398, 401, 406, 409, 426, 428, 430, 431, 435, 440, 441, 444, 461, 475-476, 477, 478, 479, 483, 486, 490, 494, 497, 502, 503, 507, 508, 514, 515.

Jaszczak, J.A. (1991) Graphite from Crestmore, California. Mineralogical Record: 22(6): 427-432.

Veblen, D.R. and Wiechmann, M.J. (1991) Domain structure of low-symmetry vesuvianite from Crestmore, California. American Mineralogist: 76: 397-404.

Grew, E.S., Yates, M.G., Adams, P., Kirkby, R. and Wiedenbeck, M. (1999) Harkerite from the Crestmore Quarry, Riverside County, California and Cascade Slide, Adirondack Mountains, New York: A contrast in metamorphic pressure. Canadian Mineralogist: 37: 277-296.

Forrester, C. (2004) Large clintonite crystals from the Crestmore Quarry, Riverside, California. Mineralogical Record: 35(4): 325-330.

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