Browse > Article
http://dx.doi.org/10.22807/KJMP.2020.33.3.259

Lattice Preferred Orientation(LPO) and Seismic Anisotropy of Amphibole in Gapyeong Amphibolites  

Kim, Junha (School of Earth and Environmental Sciences, Seoul National University)
Jung, Haemyeong (School of Earth and Environmental Sciences, Seoul National University)
Publication Information
Korean Journal of Mineralogy and Petrology / v.33, no.3, 2020 , pp. 259-272 More about this Journal
Abstract
The seismic properties in the crust are affected by the lattice preferred orientation(LPO) of major minerals in the crust. Therefore, in order to understand the internal structure of the crust using seismic data, information on the LPO of the major constituent minerals and the seismic properties of major rocks in a specific region are needed. However, there is little research on the LPOs of minerals in the crust in Korea. In this study, we collected amphibolites from two outcrops in Wigokri, Gapyeong, located in the nothern portion of Gyeonggi Massif, and we measured the LPOs of major minerals of amphibolite, especially amphibole and plagioclase through EBSD analysis, and calculated seismic properties of amphibolite. Two types of LPOs of amphibole, which are defined as type I and type IV, were observed in the two outcrops of Gapyeong amphibolites, respectively. In the case of amphibolites with the type I LPO of amphibole, large seismic anisotropy of both P- and S-wave was observed, while in the amphibolites with the type IV LPO of amphibole, small seismic anisotropy was observed. This is consistent with previous experimental results. The polarization direction of the fast S-wave was aligned subparallel to the lineation regardless of the LPO types of amphibole. The seismic anisotropy observed in Gapyeong is expected to be helpful to interpret the structure and seismic data within the crust in Gyeonggi Massif.
Keywords
Gapyeong; Gyeonggi Massif; Amphibolite; Lattice preferred orientation; Seismic anisotropy;
Citations & Related Records
Times Cited By KSCI : 2  (Citation Analysis)
연도 인용수 순위
1 Jung, H., 2017, Crystal preferred orientations of olivine, orthopyroxene, serpentine, chlorite, and amphibole, and implications for seismic anisotropy in subduction zones: a review, Geosciences Journal, 21, 985-1011.   DOI
2 Jung, H. and Karato, S., 2001, Water-induced fabric transitions in olivine. Science, 293, 1460-1463.   DOI
3 Jung, H., Katayama, I., Jiang, Z., Hiraga, T., and Karato, S., 2006, Effect of water and stress on the lattice-preferred orientation of olivine. Tectonophysics, 421, 1-22.   DOI
4 Kern, H., Popp, T., Gorbatsevich, F., Zharikov, A., Lobanov, K. and Smirnov, Y.P., 2001, Pressure and temperature dependence of Vp and Vs in rocks from the superdeep well and from surface analogues at Kola and the nature of velocity anisotropy. Tectonophysics, v. 338, no. 2, p. 113-134.   DOI
5 Kim, J. and Jung, H., 2019, New Crystal Preferred Orientation of Amphibole Experimentally Found in Simple Shear. Geophysical Research Letters, 46.
6 Kim, J.Y., 1989, A study on Metamorphism of the Metamorphic Rocks in the Central Part of Gyeonggi Massif. Ph. D. dissertation, Seoul National University.
7 Kim, O., Kim, S., Hwa, Y. and Park, B., 1974, Explanatory Text of the Geological Map of Gapyeong Sheet: 6727-III, Scale 1: 5000. Geological and Mineral Institute of Korea, p. 1-26.
8 Ko, B. and Jung, H., 2015, Crystal preferred orientation of an amphibole experimentally deformed by simple shear. Nature communications, v. 6.
9 Kong, F., Wu, J., Liu, K.H., and Gao, S.S., 2016, Crustal anisotropy and ductile flow beneath the eastern Tibetan Plateau and adjacent areas. Earth and Planetary Science Letters, 442, 72-79.   DOI
10 Kumazawa, M., Helmstaedt, H., and Masaki, K., 1971. Elastic properties of eclogite xenoliths from diatremes of the East Colorado Plateau and their implication to the upper mantle structure. Journal of Geophysical Research, 76(5), 1231-1247. https://doi.org/10.1029/ JB076i005p01231   DOI
11 Lamarque, G., Bascou, J., Maurice, C., Cottin, J.-Y., Riel, N. and Menot, R.-P., 2016, Microstructures, deformation mechanisms and seismic properties of a Palaeoproterozoic shear zone: The Mertz shear zone, East-Antarctica. Tectonophysics, v. 680, p. 174-191.   DOI
12 Lee, K.J. and Cho, M., 1992, Metamorphism of the Gyeonggi Massif in the Gapyeong-Cheongpyeong area. The Journal of the Petrological Society of Korea, v. 1, no. 1, p. 1-24.
13 Lee, S., Kim, B., So, C. and Sin, M., 1974, Explanatory Text of the Geological Map of Yongduri Sheet (1: 50,000). Geological and Mineralogical Institute of Korea.
14 Lee, S.R., Cho, M., Hwang, J.H., Lee, B.-J., Kim, Y.-B. and Kim, J. C., 2003, Crustal evolution of the Gyeonggi massif, South Korea: Nd isotopic evidence and implications for continental growths of East Asia. Precambrian Research, v. 121, no. 1-2, p. 25-34.   DOI
15 Llana-Fúnez, S. and Brown, D., 2012, Contribution of crystallographic preferred orientation to seismic anisotropy across a surface analog of the continental Moho at Cabo Ortegal, Spain. Geological Society of America Bulletin, v. 124, no. 9-10, p. 1495-1513.   DOI
16 Mainprice, D., 1990, A FORTRAN program to calculate seismic anisotropy from the lattice preferred orientation of minerals. Computers & Geosciences, v. 16, no. 3, p. 385-393.   DOI
17 Mainprice, D. and Nicolas, A., 1989, Development of shape and lattice preferred orientations: application to the seismic anisotropy of the lower crust. Journal of Structural Geology, v. 11, no. 1-2, p. 175-189.   DOI
18 Aleksandrov, K.S., Alchikov, U.V., Belikov, B.P., Zaslavskii, B.I. and Krupnyi, A. I. 1974, Velocities of elastic waves in minerals at atmospheric pressure and increasing precision of elastic constants by means of EVM (in Russian). Izv. Acad. Sci. URSS, Geol. Ser., 10, 15-24.
19 Abalos, B., 1997, Omphacite fabric variation in the Cabo Ortegal eclogite (NW Spain): Relationships with strain symmetry during highpressure deformation. Journal of Structural Geology, 19(5), 621-637. https://doi.org/10.1016/S0191‐8141(97)00001‐1.   DOI
20 Aleksandrov, K.S. and Ryzhova, T.V., 1961, The elastic properties of rock forming minerals, pyroxenes and amphiboles. Bull. Acad. Sci. USSR Geophys. Ser, 871(875), 1339-1344.
21 Savage, M.K., 1999, Seismic anisotropy and mantle deformation: what have we learned from shear wave splitting? Reviews of Geophysics, 37, 65-106.   DOI
22 Panozzo, R., 1984, Two-dimensional strain from the orientation of lines in a plane. Journal of Structural Geology, 6(1-2), 215-221.   DOI
23 Park, M. and Jung, H., 2019, Relationships between eclogite-facies mineral assemblages, deformation microstructures, and seismic properties in the Yuka Terrane, North Qaidam ultrahigh-pressure metamorphic belt, NW China. Journal of Geophysical Research: Solid Earth, 124.
24 Pearce, M.A., Wheeler, J. and Prior, D.J., 2011, Relative strength of mafic and felsic rocks during amphibolite facies metamorphism and deformation. Journal of Structural Geology, v. 33, no. 4, p. 662-675.   DOI
25 Siegesmund, S., Takeshita, T. and Kern, H., 1989, Anisotropy of Vp and Vs in an amphibolite of the deeper crust and its relationship to the mineralogical, microstructural and textural characteristics of the rock. Tectonophysics, v. 157, no. 1-3, p. 25-38.   DOI
26 Silver, P.G., 1996, Seismic anisotropy beneath the continents: probing the depths of geology. Annual Review of Earth and Planetary Sciences, 24, 385.   DOI
27 Skemer, P., Katayama, I., Jiang, Z. and Karato, S.-i., 2005, The misorientation index: Development of a new method for calculating the strength of lattice-preferred orientation. Tectonophysics, v. 411, no. 1-4, p. 157-167.   DOI
28 Tatham, D., Lloyd, G., Butler, R. and Casey, M., 2008, Amphibole and lower crustal seismic properties. Earth and Planetary Science Letters, v. 267, no. 1, p. 118-128.   DOI
29 McSkimin, H. J., Andreatch Jr, P., and Thurston, R. N. L., 1965, Elastic moduli of quartz versus hydrostatic pressure at 25 and- $195.8^{\circ}C$. Journal of Applied Physics, 36(5), 1624-1632.   DOI
30 Almqvist, B.S. and Mainprice, D., 2017, Seismic properties and anisotropy of the continental crust: predictions based on mineral texture and rock microstructure. Reviews of Geophysics, v. 55, no. 2, p. 367-433.   DOI
31 Berger, A. and Stünitz, H., 1996, Deformation mechanisms and reaction of hornblende: examples from the Bergell tonalite (Central Alps). Tectonophysics, v. 257, no. 2, p. 149-174.   DOI
32 Aspiroz, M.D., Lloyd, G. and Fernandez, C., 2007, Development of lattice preferred orientation in clinoamphiboles deformed under low-pressure metamorphic conditions. A SEM/EBSD study of metabasites from the Aracena metamorphic belt (SW Spain). Journal of Structural Geology, v. 29, no. 4, p. 629-645.   DOI
33 Barruol, G. and Kern, H., 1996, Seismic anisotropy and shear-wave splitting in lower-crustal and upper-mantle rocks from the Ivrea Zone-experimental and calculated data. Physics of the Earth and Planetary Interiors, v. 95, no. 3-4, p. 175-194.   DOI
34 Bass, J.D., 1989, Elasticity of grossular and spessartite garnets by Brillouin spectroscopy. Jounal of Geophysical Research: Solid Earth, 94(B6), 7621-7628.   DOI
35 Birch, F., 1960, The velocity of compressional waves in rocks to 10 kilobars: 1. Journal of Geophysical Research, v. 65, no. 4, p. 1083-1102.   DOI
36 Cao, S., Liu, J. and Leiss, B., 2010, Orientation-related deformation mechanisms of naturally deformed amphibole in amphibolite mylonites from the Diancang Shan, SW Yunnan, China. Journal of Structural Geology, 32, 606-622.   DOI
37 Crampin, S., 1981, A review of wave motion in anisotropic and cracked elastic-media. Wave motion, v. 3, no. 4, p. 343-391.   DOI
38 Getsinger, A., Hirth, G., Stünitz, H. and Goergen, E., 2013, Influence of water on rheology and strain localization in the lower continental crust. Geochemistry, Geophysics, Geosystems, v. 14, no. 7, p. 2247-2264.   DOI
39 Getsinger, A. and Hirth, G., 2014, Amphibole fabric formation during diffusion creep and the rheology of shear zones. Geology, 42, 535-538.   DOI
40 Zhang, J., Green, H.W. and Bozhilov, K.N., 2006, Rheology of omphacite at high temperature and pressure and significance of its lattice preferred orientations. Earth and Planetary Science Letters, 246(3-4), 432-443.   DOI
41 Gifkins, R.C., 1970. Optical Microscopy of Metals. American Elsevier.
42 Helmstaedt, H., Anderson, O.L., and Gavasci, A.T., 1972, Petrofabric studies of eclogite, spinel‐Websterite, and spinel-lherzolite Xenoliths from kimberlite‐bearing breccia pipes in southeastern Utah and northeastern Arizona. Journal of Geophysical Research (1896‐1977), 77(23), 4350-4365. https://doi.org/10.1029/JB077i023p04350   DOI
43 Imon, R., Okudaira, T. and Kanagawa, K., 2004, Development of shape-and lattice-preferred orientations of amphibole grains during initial cataclastic deformation and subsequent deformation by dissolution-precipitation creep in amphibolites from the Ryoke metamorphic belt, SW Japan. Journal of Structural Geology, v. 26, no. 5, p. 793-805.   DOI
44 Jeong, H., Kang, S. and Roh, Y., 2016, Types and Characteristics of Fibrous Serpentine Minerals Occurred in Serpentinite in Hongseong and Gapyeong. Economic and Environmental Geology, v. 49, no. 1, p. 1-11.   DOI
45 Ji, S., Salisbury, M.H. and Hanmer, S., 1993, Petrofabric, Pwave anisotropy and seismic reflectivity of high-grade tectonites. Tectonophysics, v. 222, no. 2, p. 195-226.   DOI
46 Ji, S., Shao, T., Michibayashi, K., Long, C., Wang, Q., Kondo, Y., Zhao, W., Wang, H. and Salisbury, M. H., 2013, A new calibration of seismic velocities, anisotropy, fabrics, and elastic moduli of amphibole‐rich rocks. Journal of Geophysical Research: Solid Earth, v. 118, no. 9, p. 4699-4728.   DOI
47 Jung, H., 2012, Rock deformation and formation of LPO of minerals in the upper mantle: implications for seismic anisotropy. Journal of the Petrological Society of Korea, v. 21, p. 229-241.   DOI