主要从事天体化学的研究，探讨太阳系的形成和演化。通过Al-Mg、Mn-Cr、Re-Os、Sr-Nd等多种同位素体系，以及主微量元素特征，对各种不同类型陨石及其组分进行研究，探索太阳系的成因模式，揭示太阳星云演化历史。目前的研究项目和研究兴趣主要涉及月球成因、铁陨石成因和来源等方面的研究。

       1968年11月生，博士。1990年7月获桂林工学院地质系矿产普查与勘探本科工学学士学位。2002年6月获该校地质矿产勘查专业工学硕士学位。2006年6月获中国科学院广州地球化学研究所天体化学专业理学博士学位，毕业后留所任副研究员，并担任同位素国家重点实验室热电离质谱仪 (TIMS)主管。专长TIMS仪器同位素高精度测定技术开展，及应用管理。科研方面主要从事天体化学的研究，探讨太阳系的形成和演化。已经在国内外学术刊物发表学术论文三十余篇。

1. Wang, G., Vollstaedt, H., Xu, J. and Liu, W., 2019. High-Precision Measurement of 187Os/188Os Isotope Ratios of Nanogram to Picogram Amounts of Os in Geological Samples by N-TIMS using Faraday Cups Equipped with 1013 Ω Amplifiers. Geostandards and Geoanalytical Research, 43(3): 419-433.

2. Wang, G., Zeng, Y., Xu, J. and Liu, W., 2018. A new method for calibrating the current gain of 1013 Ω amplifiers in thermal ionization mass spectrometry. Journal of Mass Spectrometry, 53(6): 455-464.

3. Wang, G., Sun, T., Xu, J., 2017. A comparison using Faraday cups with 1013 Ω amplifiers and a secondary electron multiplier to measure Os isotopes by negative thermal ionization mass spectrometry. Rapid Communications in Mass Spectrometry, 31(19): 1616-1622.

4. Wang, G., Wu, Y., Xu, J., 2016b. Optimization techniques for improving the precision of isotopic analysis by thermal ionization mass spectrometry, taking strontium, neodymium, lead, and osmium as examples. Spectroscopy Letters, 49(2): 85-90.

5. Wang, G., Wu, Y., Lin, Y., 2016a. Trace element analysis of extraterrestrial metal samples by inductively coupled plasma mass spectrometry: the standard solutions and digesting acids. Rapid Communications in Mass Spectrometry, 30(4): 543-551.

6. 王桂琴, 缪秉魁, 林杨挺, 2015. 荷叶塘陨石：一个Ｌ３型普通球粒陨石的岩石学和地球化学特征. 岩石学报, 31(9): 2724-2736.

7. Wang, G.Q., Peng, L., Xu*, J.F., 2013. Re-Os Systematics of the Nonmagmatic Iron Meteories. Meteoritics and Planetary Science Supplement, 76: 5158.

8. Wang, G., Peng, L. & Xu, J. Precise analyses of Re-Os concentrations and isotopic ratios for 6 chinese iron meteorites. Wiley Blackwell and Meteoritics & Planetary Science, 2012, supplement: 5189.

9. JIANG, X., WANG, G.*, WANG, D., MIAO, B., 2012. Grove Mountains (GRV) 024237: A New Ureilite from Antarctica. Advances in Polar Science(1).23:25-29.

10. Wang G., Lin Y., Liang X., Liu Y., Xie L., Yang Y. and Tu X. 2011. Separation of Magnesium from Meteorites and Terrestrial Silicate Rocks for High-Precision Isotopic Analysis Using Multiple Collector-Inductively Coupled Plasma-Mass Spectrometry. Journal of Analytical Atomic Spectrometry. 26(9): 1878-1886.

11. Wang G.uiqin, Lin Yangting and Wang Daode (2009) The study of Mg isotope compositions of terrestrial rocks and meteorites. Chinese Journal of Polar Science 20, 209-214.

12. Wang G., Lin Y. and Wang D. 2008. Comparison of Mg Isotope Compositions between Bulk Meteorites and Mafic-Ultramafic Rocks from Terrestrial Mantle. Meteoritics and Planetary Science Supplement 43:5146.

13. Guiqin WANG, Yangting LIN, Deqiu DAI (2007) Bulk Mg Isotopic Compositions of Ca-, Al-  Rich Inclusions and Amoeboid Olivine Aggregates. Meteoritics & Planetary Sciences 42, 1281-1289.

14. Wang G. and Lin Y. 2007. Bulk chemical composition of the ningqiang carbonaceous chondrite：an issue of classification. Acta Geologica Sinica(English Edition) 81:141-147.