Skip to main content

Main menu

  • Home
  • Content
    • Current
    • Archive
    • Special Volumes and Special Issue
  • Subscriptions
    • Subscribers
    • Pricing
    • FAQ
    • Terms & Conditions for use of AJS Online
  • Instructions to Authors
  • Site Features
    • Alerts
    • Feedback
    • Usage Statistics
    • RSS
  • About Us
    • Editorial Board
    • The Journal

User menu

  • Register
  • Subscribe
  • My alerts
  • Log in
  • My Cart

Search

  • Advanced search
American Journal of Science
  • Register
  • Subscribe
  • My alerts
  • Log in
  • My Cart
American Journal of Science

Advanced Search

  • Home
  • Content
    • Current
    • Archive
    • Special Volumes and Special Issue
  • Subscriptions
    • Subscribers
    • Pricing
    • FAQ
    • Terms & Conditions for use of AJS Online
  • Instructions to Authors
  • Site Features
    • Alerts
    • Feedback
    • Usage Statistics
    • RSS
  • About Us
    • Editorial Board
    • The Journal
  • Follow ajs on Twitter
  • Visit ajs on Facebook
  • Follow ajs on Instagram

Table of Contents

January 01, 2021; Volume 321,Issue 1-2

Preface

  • You have access
    This Issue Is Dedicated To The Memory Of Distinguished Scientist Alfred Kroner Who Sadly Passed Away On 22 May 2019
    Simon A. Wilde, Shoujie Liu, Yamirka Rojas-Agramonte and Guochun Zhao
    American Journal of Science January 2021, 321 (1-2) vii-xi; DOI: https://doi.org/10.2475/01.2021.08

Foreword

  • You have access
    Foreword
    American Journal of Science January 2021, 321 (1-2) xii-xiii; DOI: https://doi.org/10.2475/01.2021.09

Articles

  • You have access
    The complexities of Mesoarchean to late Paleoproterozoic magmatism and metamorphism in the Qixia area, eastern North China Craton: Geology, geochemistry and SHRIMP U-Pb zircon dating
    Yusheng Wan, Shoujie Liu, Zhiyong Song, Simon A. Wilde, Laiming Wang, Chunyan Dong, Hangqiang Xie, Shiwen Xie, Jianhua Hou, Wenqian Bai and Dunyi Liu
    American Journal of Science January 2021, 321 (1-2) 1-82; DOI: https://doi.org/10.2475/01.2021.01
  • You have access
    India in the Nuna to Gondwana supercontinent cycles: Clues from the north Indian and Marwar Blocks
    Wei Wang, Peter A. Cawood and Manoj K. Pandit
    American Journal of Science January 2021, 321 (1-2) 83-117; DOI: https://doi.org/10.2475/01.2021.02
  • You have access
    Timing and Nd-Hf isotopic mapping of early Mesozoic granitoids in the Qinling Orogen, central China: Implication for architecture, nature and processes of the orogen
    Xiaoxia Wang, Tao Wang, Changhui Ke, Yang Yang and Yongfei Tian
    American Journal of Science January 2021, 321 (1-2) 118-151; DOI: https://doi.org/10.2475/01.2021.03
  • You have access
    SHRIMP U-Pb dating of detrital zircons from the Permian sandstones along the southern and northern margins of Xar Moron River, central inner Mogolia: Implications for provenance and the tectonic evolution of the eastern segment of the Central Asian Orogenic Belt
    Xiancan Wu, Yuruo Shi and J. Lawford Anderson
    American Journal of Science January 2021, 321 (1-2) 152-177; DOI: https://doi.org/10.2475/01.2021.04
  • You have access
    Late Paleozoic tectonic transition from subduction to collision in the Chinese Altai and Tianshan (Central Asia): New geochronological constraints
    Pengfei Li, Min Sun, Chao Yuan, Fred Jourdan, Wanwan Hu and Yingde Jiang
    American Journal of Science January 2021, 321 (1-2) 178-205; DOI: https://doi.org/10.2475/01.2021.05
  • You have access
    Late Neoarchean magmatic – metamorphic event and crustal stabilization in the North China Craton
    Mingguo Zhai, Lei Zhao, Xiyan Zhu, Yanyan Zhou, Peng Peng, Jinghui Guo, Qiuli Li, Taiping Zhao, Junsheng Lu and Xianhua Li
    American Journal of Science January 2021, 321 (1-2) 206-234; DOI: https://doi.org/10.2475/01.2021.06
  • You have access
    Unravelling the P-T-t history of three high-grade metamorphic events in the Epupa Complex, NW Namibia: Implications for the Paleoproterozoic to Mesoproterozoic evolution of the Congo Craton
    Sönke Brandt, Reiner Klemd, Hanqiang Xie and Patrick Bobek
    American Journal of Science January 2021, 321 (1-2) 235-296; DOI: https://doi.org/10.2475/01.2021.07
Back to top
PreviousNext

In this issue

American Journal of Science: 321 (1-2)
American Journal of Science
Vol. 321, Issue 1-2
1 Jan 2021
  • Table of Contents
  • Table of Contents (PDF)
  • Cover (PDF)
  • About the Cover
  • Index by author
  • Ed Board (PDF)
Sign up for alerts
Entire Issue ($25)

Jump to

  • Preface
  • Foreword
  • Articles
  • Top Topics
  • Most Cited
  • Most Read
Loading

Navigate

  • Current Issue
  • Archive

More Information

  • RSS

Other Services

  • About Us

© 2022 American Journal of Science

Powered by HighWire