A new permanent geomagnetic station at Colima volcano observatory, Mexico
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Abstract
The first geomagnetic station (COV) has been installed near Colima volcano by the Geophysics Institute of the National Autonomous University of Mexico, and Colima Volcano Observatory at the University of Colima. This station measure the scalar magnetic field and belongs to the geomagnetic monitoring network of active volcanoes in Mexico.
Comparison between COV, IGRF (International Geomagnetic Reference Field) and TEO (Teoloyucan Geomagnetic Observatory) data shows a high correlation with a coefficient of R= 0.994. COV provides a suitable reference site for high precision geomagnetic observations in western and central Mexico. Web site provides access to real-time data for this station (http://www.igeofcu.unam.mx/geomagne/geomag.html).
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References
ALLAN, J. F., 1986. Geology of the Colima and Zacoalco grabens, SW Mexico: Late Cenozoic rifting in the Mexican volcanic belt. Bull. Geol. Soc. Am., 97, 473-485. DOI: https://doi.org/10.1130/0016-7606(1986)97<473:GOTNCA>2.0.CO;2
ALLAN, J. F., S. NELSON, J. F. LUHR, I. S. E. CARMICHAEL, M. WOPAT and P. J. WALLACE, 1991. Pliocene-Recent rifting in SW Mexico and associated volcanism: An exotic terrane in the making. In: Duphin, P. J. and Simoneit, B. T. R. (Eds), The Gulf and Peninsular Province of the Californias, Am. Assoc. Petrol. Geol. Mem., 47, 425-445.
ATWATER, T., 1989. Plate tectonic history of the northeast Pacific and Western North America. In: Geology of North America, Geol. Soc. Am. Boulder, Colorado, v, N, 21-72. DOI: https://doi.org/10.1130/DNAG-GNA-N.21
BAKSI, A. K., 1993. A geomagnetic polarity time scale for the period 0-17 Ma, based on Ar/Ar plateau ages for selected field reversals. Geophys. Res. Lett., 20, 1607-1610. DOI: https://doi.org/10.1029/93GL01876
CASTILLO-HERNANDEZ, H. and H. VARGAS-LEDEZMA, 1985. Reconocimiento geológico de la zonageotérmica de La Soledad, Jal. Comision Fed. Electr., Mexico, Internal Report CFE-47/85.
CHAMPION, D., M. LANPHERE and M. KUNTZ, 1988.Evidence for a new geomagnetic reversal from lava flows in Idaho: Discussion of short polarity reversals in the Brunhes and late Matuyama polarity chrons. J. Geophys. Res., 93, 11667-11680. DOI: https://doi.org/10.1029/JB093iB10p11667
DALRYMPLE, G. B., 1992. Critical tables for conversion of K-Ar ages from old to new constants. Isochron West, 58, 22-24.
DAMON, P., J. NIETO-OBREGON and L. DELGADO-ARGOTE, 1979. Un plegamiento neogénico en Nayarity Jalisco y evolución geomórfica del Río Grande de Santiago. Memoria Técnica, Reunión XIII Soc. Ing. Minas, Metalurgistas y Geologos, p. 156-191.
DAY, R., M. FULLER and V. A. SCHMIDT, 1977. Hysteresis properties of titanomagnetites: grain size and compositional dependence. Phys. Earth Planet. Inter., 13, 260-267. DOI: https://doi.org/10.1016/0031-9201(77)90108-X
DELGADO-GRANADOS, H., 1993. Late Cenozoic tectonics off-shore western Mexico and its relation to the structure and volcanic activity in the western Trans-Mexican volcanic belt. Geofísica Internacional, 32, 543-559. DOI: https://doi.org/10.22201/igeof.00167169p.1993.32.4.601
DICKINSON, W. R. and W. S. SNYDER, 1979. Geometry of triple junctions and subducted slabs related to San Andreas transform. J. Geophys. Res., 84, 561-572. DOI: https://doi.org/10.1029/JB084iB02p00561
FISHER, R. A., 1953. Dispersion on a sphere. Proc. Roy. Soc. London, Ser. A, 217, p. 295-305. DOI: https://doi.org/10.1098/rspa.1953.0064
FERRARI, L., 1995. Miocene shearing along the northern boundary of the Jalisco block and opening of the southern Gulf of California. Geology, 23, 751-105. DOI: https://doi.org/10.1130/0091-7613(1995)023<0751:MSATNB>2.3.CO;2
FERRARI, L., V. H. GARDUÑO, F. INNOCENTI, P. MANETTI, G. PASQUARE and G. VAGGELLI, 1994. A widespread mafic volcanic unit at the base of the Mexican volcanic belt between Guadalajara and Querétaro. Geofísica Internacional, 33, 107-124. DOI: https://doi.org/10.22201/igeof.00167169p.1994.33.1.543
FERRARI, L., G. VAGGELLI, C. M. PETRONE, P. MANNETTI and S. CONTICELLI, in press. Late Miocene volcanism and intra-arc tectonics during the early development of the Trans-Mexican volcanic belt. Tectonophysics.
GASTIL, G., D. K. KRUMMENACHER and W. A. JENSKY, 1979. Reconnaissance geology of west-central Nayarit, Mexico. Geol. Soc. Am., Map and Chart Series, MC-24, scale 1:200,000. DOI: https://doi.org/10.1130/0016-7606(1979)90<15:RGOWNM>2.0.CO;2
GILBERT, C. M., G. A. MAHOOD and I. S. E. CARMICHAEL, 1985. Volcanic stratigraphy of the Guadalajara area, Mexico. Geofísica Internacional, 24, 169-191. DOI: https://doi.org/10.22201/igeof.00167169p.1985.24.1.1069
HARLAND, W. B., R. L. ARMSTRONG, A. COX, L. E. CRAIG, A. G. SMITH and D. G. SMITH, 1990. A Geologic Time Scale 1989. Cambridge Univ. Press, U. K.,263 pp.
JICA-Report, 1989. La Primavera Geothermal Development Project. Japan International Cooperation Agency Report, Japan.
LARSON, R. L., 1972. Bathymetry, magnetic anomalies, and plate tectonic history of the mouth of the Gulf of California. Geol. Soc. Am. Bull., 83, 3345-3360. DOI: https://doi.org/10.1130/0016-7606(1972)83[3345:BMAAPT]2.0.CO;2
LONSDALE, P., 1995. Segmentation and disruption of the East Pacific Rise in the mouth of the Gulf of California. Marine Geophys. Res., 17, 323-359. DOI: https://doi.org/10.1007/BF01227039
LUHR, J. F., S. A. NELSON, J. F. ALLAN and I. S. E. CARMICHAEL, 1985. Active rifting in south western Mexico: Manifestations of incipient eastward spreading-ridge jump. Geology, 13, 54-57. DOI: https://doi.org/10.1130/0091-7613(1985)13<54:ARISMM>2.0.CO;2
MAILLOL, J.-M., W. L. BANDY and J. ORTEGA RAMIREZ, 1997. Paleomagnetism of Plio-Quaternary basalts in the Jalisco block, western Mexico. Geofisica Internacional, 36, 21-36. DOI: https://doi.org/10.22201/igeof.00167169p.1997.36.1.621
McDOWELL, F. and S. E. CLABAUGH, 1979. Ignimbrites of the Sierra Madre Occidental and their relation to the tectonic history of western Mexico. Geol. Soc. Am. Sp. Pap., 180, 112-124. DOI: https://doi.org/10.1130/SPE180-p113
MAHOOD, G. A., 1981. A summary of the geology and petrology of the Sierra La Primavera, Jalisco, Mexico. J. Geophys. Res., 86, 10137-10152. DOI: https://doi.org/10.1029/JB086iB11p10137
MAHOOD, G. A. and R. E. DRAKE, 1982. K–Ar dating of young rhyolitic rock, a case study of the Sierra La Primavera, Jalisco, Mexico. Geol. Soc. Am. Bull., 93, 1232-1241. DOI: https://doi.org/10.1130/0016-7606(1982)93<1232:KDYRRA>2.0.CO;2
MERRILL, R. T. and P. L. McFADDEN, 1994. Geomagnetic field stability: Reversal events and excursions. Earth Planet. Sci. Lett., 121, 57-69. DOI: https://doi.org/10.1016/0012-821X(94)90031-0
MOORE, G., C. MARONE, I. S. E. CARMICHAEL and P.RENNE, 1994. Basaltic volcanism and extension near the intersection of the Sierra Madre volcanic province and the Mexican volcanic belt. Geol. Soc. Am. Bull., 106, 383-394. DOI: https://doi.org/10.1130/0016-7606(1994)106<0383:BVAENT>2.3.CO;2
MOOSER, F., A. NAIRN and J. NEGENDANK, 1974. Paleomagnetic investigations of the Tertiary and Quaternary rocks. VIII. A paleomagnetic and petrologic study of volcanics of the Valley of Mexico. Geol. Rundsch., 63, 451-483. DOI: https://doi.org/10.1007/BF01820824
NIETO-OBREGON, J., L. DELGADO-ARGOTE and P. E.DAMON, 1985. Geochronologic, petrologic and structural data related to large morphologic features between the Sierra Madre Occidental and the Mexican volcanic belt. Geofísica Internacional, 24, 623-663. DOI: https://doi.org/10.22201/igeof.00167169p.1985.24.4.2181
NIETO-OBREGON, J. URRUTIA-FUCUGAUCHI, E. CABRAL-CANO and A. GUZMAN DE LA CAMPA, 1992. Listric faulting and continental rifting in western Mexico – A paleomagnetic and structural study. Tectonophysics, 208, 365-376. DOI: https://doi.org/10.1016/0040-1951(92)90435-9
NIXON, G. T., A. DEMANT, R. L. ARMSTRONG and J. E. HARAKAL, 1987. K-Ar and geologic data bearing on the age and evolution of the Trans-Mexican volcanic belt. Geofísica Internacional, 26, 109-158. DOI: https://doi.org/10.22201/igeof.00167169p.1987.26.1.1191
RIGHTER, K., I. S. E. CARMICHAEL and T. BECKER, 1995. Pliocene-Quaternary faulting and volcanism at the intersection of the Gulf of California and the Mexican Volcanic Belt. Geol. Soc. Am. Bull., 107, 612-627. DOI: https://doi.org/10.1130/0016-7606(1995)107<0612:PQVAFA>2.3.CO;2
ROSAS-ELGUERA, J., L. FERRARI, V. H. GARDUÑO-MONROY and J. URRUTIA-FUCUGAUCHI, 1996. Continental boundaries of the Jalisco block and their influence in the Pliocene-Quaternary kinematics of western Mexico. Geology, 24, 921-924. DOI: https://doi.org/10.1130/0091-7613(1996)024<0921:CBOTJB>2.3.CO;2
ROSAS-ELGUERA, J., L. FERRARI, M. LOPEZ and J. URRUTIA-FUCUGAUCHI, 1997. Stratigraphy and tectonics of the Guadalajara region and triple-junction area, western Mexico. Intern. Geol. Rev., 39, 125-140. DOI: https://doi.org/10.1080/00206819709465263
ROSAS-ELGUERA, J. and J. URRUTIA-FUCUGAUCHI,1998. Tectonic control of the volcano-sedimentary sequence of the Chapala graben, western Mexico. Intern. Geol. Rev., 40, 350-362. DOI: https://doi.org/10.1080/00206819809465214
STEIGER, R. H. and E. JAEGER, 1977. Subcommision on geochronology: Convention on the use of decay constants in geo- and cosmochronology. Earth Planet. Sci. Lett., 36, 359-362. DOI: https://doi.org/10.1016/0012-821X(77)90060-7
TARLING, D. H., 1983. Palaeomagnetism. Chapman and Hall, United Kingdom. DOI: https://doi.org/10.1007/978-94-009-5955-2
URRUTIA-FUCUGAUCHI, J., 1978. Cordilleran Benioffzones. Nature, 275, 464. DOI: https://doi.org/10.1038/275464a0
URRUTIA-FUCUGAUCHI, J., 1986. Late Mesozoic-Cenozoic evolution of the northwestern Mexico magmatic arc zone. Geofísica Internacional, 25, 61-84. DOI: https://doi.org/10.22201/igeof.00167169p.1986.25.1.801
URRUTIA-FUCUGAUCHI, J. and J. ROSAS-ELGUERA, 1994. Paleomagnetic study of the eastern sector of Lake Chapala and implications for the tectonics of west-central Mexico. Tectonophysics, 239, 61-71. DOI: https://doi.org/10.1016/0040-1951(94)90107-4
URRUTIA-FUCUGAUCHI, J. et al., 1988. Paleomagnetismo y magnetoestratigrafía de la Sierra dela Primavera, Jalisco. Geofísica Internacional, 27, 395-414. DOI: https://doi.org/10.22201/igeof.00167169p.1988.27.3.1207
VENEGAS-SALGADO, S., J. J. HERRERA and R. MACIEL, 1985. Algunas características de la Faja Volcánica Mexicana y de sus recursos geotérmicos. Geofísica Internacional, 24, 47-83. DOI: https://doi.org/10.22201/igeof.00167169p.1985.24.1.1065
WATKINS, N. D., B. M. GUNN, A. K. BAKSI, D. YORK and J. ADE-HALL, 1971. Paleomagnetism, geochemistry and potassium-argon ages of the Rio Grande de Santiago volcanics, central Mexico. Geol. Soc. Am. Bull., 82, 1955-1968. DOI: https://doi.org/10.1130/0016-7606(1971)82[1955:PGAPAO]2.0.CO;2