Thermochronologic constraints on uplifting events since the early cretaceous in the north margin of the Luxi rise, eastern China

Abstract

Two ⁴⁰Ar/³⁹Ar ages and six fission track ages from monzonite and the Jurassic-Cretaceous rocks provide new geochronologic constraints on the timing of uplifting events in the north margin of the Luxi (鲁西) rise, eastern China. ⁴⁰Ar/³⁹Ar age 111.1±2.4 and 111.2±2.5 Ma of biotite and K-feldspar sampled from the monzonite may record the cooling age at 300 and 150–300 °C, respectively. Fission track ages of zircon and apatite from the monzonite changing from 75±7 to 40±3 Ma record the cooling age at 250 and 120 °C, respectively. The apatite from the Jurassic-Cretaceous sandstone and volcanic rocks yielded a different T-t path. The results indicate that there are two phases 111-46.9 and 13.4 (6.5)-0 Ma of rapid uplifting happened to the north margin of the Luxi rise; the first one is a tilted uplift from north to south in Zibo (淄博) during 111-46.9 Ma and in the south in Mengshan (蒙山) during 70-40 Ma; the second one is a tilted uplift from south to north in Mengshan during 32-20 Ma, and in turn in Taishan (泰山) and Zibo during 23-20 and 13.4-0 or 6.5-0 Ma, respectively. The aging coincidence between magmatism and tectonic uplifting implies there are two phases of uplifting induced by large scale extension and lithospheric thinning.

Keywords

Luxi rise / apatite fission track / T-t path / closure temperature / uplift

References

[1] Carlson W D, Donelick R A, Ketcham R A. Variability of Apatite Fission-Track Annealing Kinetics: I. Experimental Results. American Mineralogist, 1999, 84: 1213-1223.

[2] Chen W J, Li Q. MDD Model and Rapid Cooling Events. Earth Science Frontiers, 1999, 6(4): 371-377.

[3] Doddson M H. Closure Temperature in Cooling Geochronological and Petrological Systems. Contrib. Min. Petrol., 1973, 40: 259-274.

[4] Duddy I R, Greeen P F, Laslett G M. Thermal Annealing of Fission Tracks in Apatite 3. Variable Temperature Behavior. Chemical Geology, 1988, 73: 25-38.

[5] Gleadow A J W, Duddy I R. A Natural Long-Term Track Annealing Experiment for Apatite. Nuclear Tracks, 1981, 5(1–2): 169-174.

[6] Gong J F, Ji J Q, Chen J J, . ⁴⁰Ar/³⁹Ar Geochronology Studies of Rocks in Eastern Himalaya Syntaxis. Acta Petrologica Sinica, 2008, 24(10): 2255-2272.

[7] Green P F. On the Thermo-Tectonic Evolution of Northern England: Evidence from Fission Track Analysis. Geological Magazine, 1986, 123: 493-506.

[8] Hacker B R, Wang Q. ⁴⁰Ar/³⁹Ar Geochronology of Ultrahigh Pressure Metamorphism in Central China. Tectonics, 1995, 14(4): 994-1006.

[9] Harrison T M. Diffusion of ⁴⁰Ar in Hornblende. Contrib. Min. Petrol., 1981, 78(3): 324-331.

[10] Hou G T, Qian X L, Cai D S. Cretaceous-Paleogene Rifting in the Bohai Sea and Western Shandong: Geochemical Evidence from Volcanic Rocks. Chinese Journal of Geology, 2003, 38(1): 13-21.

[11] Hu Q Y, Li L, Tang Z B, . Characteristics and Mechanism of Late Mesozoic Extensional Faults in West Shandong Uplift. Geology in China, 2009, 36(6): 1233-1244.

[12] Jin L Y. K-Ar Ages of Cenozoic Volcanic Rocks in the Middle Segment of the Tancheng-Lujiang Fault Zone and Stages of Related Volcanic Activity. Geological Review, 1985, 31(4): 309-315.

[13] Ketcham R A, Donelick R A, Carlson W. Variability of Apatite Fission-Track Annealing Kinetics: III. Extrapolation to Geological Time Scales. American Mineralogist, 1999, 84: 1235-1255.

[14] Ketcham R A, Donelick R A, Donelick M B. AFTSolve: A Program for Multi-Kinetic Modeling of Apatite Fission-Track Data. Geological Materials Research, 2000, 2(1): 1-17.

[15] Laslett G M, Green P F, Duddy I R, . Thermal Annealing of Fission Tracks in Apatite 2. A Quantitative Analysis. Chemical Geology, 1987, 65(1): 1-13.

[16] Laslett G M, Galbralth R F. Statistical Modelling of Thermal Annealing of Fission Track in Apatite. Geochimica et Cosmochimica Acta, 1996, 60(24): 5117-5131.

[17] Li L H. Mesozoic-Cenozoic Sedimentary Sequence and Depositional Basin Types in the Western Shandong. Petroleum Geology and Recovery Efficiency, 2009, 16(3): 50-53.

[18] Li L, Zhong D L. Fission Track Evidence of Cenozoic Uplifting Events of the Taishan Mountain, China. Acta Petrologica Sinica, 2006, 22(2): 457-464.

[19] Li L, Zhong D L, Shi X P. Cenozoic Uplifting/Subsidence Coupling between the West Shandong Rise and the Jiyang Depression, Northern China. Acta Geologica Sinica, 2007, 81(9): 1215-1228.

[20] Li S Z, Wang J D, Liu J Z, . Mesozoic Structure and Its Tectonic Setting in the Western Shandong Block. Acta Geoglogica Sinica, 2005, 79(4): 487-497.

[21] Lovera O M, Richter F M, Harrison T M. The ⁴⁰Ar/³⁹Ar Thermochronometry for Slowly Cooled Samples Having a Distribution of Diffusion Domain Sizes. Journal of Geophysical Research, 1989, 94: 917-935.

[22] McDougall I, Harrison T M. Geochronology and Thermochronology by the ⁴⁰Ar/³⁹Ar Method, 1999 New York: Oxford University Press, 1-269.

[23] Qiu J S, Hu J, Jiang S Y, . Mesozoic-Cenozoic Mafic in Western Shandong Province and Its Implication for the Chemical Evolution of the Mantle. Earth Science-Journal of China University of Geosciences, 2005, 30(6): 646-658.

[24] Qiu J S, Wang D Z, Liu H, . Post-Collisional Potash-Rich Volcanic Rocks in the North Margin of Dabie Orogenic Belt: Geochemistry and Petrogenesis. Acta Petrologica Sinica, 2002, 18(3): 319-330.

[25] Tang Z B, Li L, Shi X P, . Fission Track Thermochronology of Late Cretaceous-Cenozoic Uplifting Events of the Mengshan Mountain in the Western Shandong Rise, China. Acta Scientiarum Naturalium Sunyatseni, 2011, 50(2): 127-133.

[26] Tan D J, Lin J Q. The Mesozoic Potassic Magma Province on North China Platform, 1994 Beijing: Seismological Press, 1-184.

[27] Wang X M, Zhong D L, Wang Y. Geometry, Kinematics and Thermochronology Study of the Late Mesozoic Movement of NW-Trending Faults, Western Shandong. Acta Geoglogica Sinica, 2008, 82(9): 1258-1274.

[28] Yuan W M, Du Y S, Yang L Q, . Apatite Fission Track Studies on the Tectonics in Nanmulin Area of Gangdese Terrane, Tibet Plateau. Acta Petrologica Sinica, 2007, 23(11): 2911-2917.

[29] Zhang H F, Sun M, Zhou X H, . Mesozoic Lithosphere Destruction beneath the North China Craton: Evidence from Major, Trace Element and Sr-Nd-Pb Isotope Studies of Fangcheng Basalts. Contrib. Min. Petrol., 2002, 144: 241-253.