This README.txt file was generated on 2021/MAR/15 by Jiawei Zuo # # General instructions for completing README # For sections that are non-applicable, mark as NA (do not delete any sections). # Please delete all commented sections after you completed this README . # ------------------- GENERAL INFORMATION ------------------- 1. Title of Dataset Supporting data for Zuo et al., Early Earth’s Phaneritic Ultramafic Rocks: Plate Tectonic Mantle Slices or Crustal Cumulates? 2. Author Information Jiawei Zuo The Department of Earth Sciences, Universitoy of Hong Kong jwzuo@connect.hku.hk Alexander Webb The Department of Earth Sciences, Universitoy of Hong Kong aagwebb@hku.hk Emily Chin Scripps Institution of Oceanography, University of California, San Diego e8chin@ucsd.edu Jason Harvey School of Earth and Environment, University of Leeds feejh@leeds.ac.uk Peter Haproff Department of Earth and Ocean Sciences, University of North Carolina, Wilmington peterhaproff@gmail.com Thomas Mueller Faculty of Geoscience and Geography, Georg-August-Universität Göttingen thomas.mueller@geo.uni-goettingen.de Qin Wang State Key Laboratory for Mineral Deposits Research, School of Earth Sciences and Engineering, Nanjing University qwang@nju.edu.cn Thomas Mueller Geoscience Center, Department of Mineralogy, Georg-August-Universität Göttingen, thomas.mueller@geo.uni-goettingen.de Lukáš Ackerman Institute of Geology of the Czech Academy of Sciences ackerman@gli.cas.cz Arthur Hickman Geological Survery of Western Australia Arthur.HICKMAN@dmirs.wa.gov.au Dominik Sorger Department of Earth and Ocean Sciences, University of North Carolina, Wilmington peterhaproff@gmail.com Anthony Ramírez-Salazar School of Earth and Environment, University of Leeds eears@leeds.ac.uk Dominik Sorger Geoscience Center, Department of Mineralogy, Georg-August-Universität Göttingen, dominik.sorger@geo.uni-goettingen.de --------------------- DATA & FILE OVERVIEW --------------------- # # Directory of Files in Dataset List and define the different # files included in the dataset. This serves as its table of # contents. # Directory of Files A. Table 1.xlsx Thin section minerology data for Isua and Pilbara ultramafic rocks. B. Table S1.xlsx Major and trace element concentrations of Isua and Pilbara ultramafic rocks. C. Table S2.xlsx Geochemistry of minerals hosted in Isua and Pilbara ultramafic rocks. D. Table S3.xlsx Highly siderophile element characteristics of Pilbara ultramafic rocks. Additional Notes on File Relationships, Context, or Content (for example, if a user wants to reuse andor cite your data, what information would you want them to know) File Naming Convention Not applicable ----------------------------------------- DATA DESCRIPTION FOR Table 1.xlsx ----------------------------------------- create sections for each dataset included 1. Number of variables 3 2. Number of casesrows 9 3. Missing data codes Not applicable 4. Variable List A. Sample ID The names of samples. B. Location/Unit Sample locations C. Mineral assemblage A list of minerals observed in the thin section of each sample. ----------------------------------------- DATA DESCRIPTION FOR Table S1.xlsx ----------------------------------------- create sections for each dataset included 1. Number of variables 44 2. Number of casescolumns 9 3. Missing data codes Codesymbol Definition " " below lower analytical limits 4. Variable List A. Sample The names of samples. B. Terrane Sample locations C. SiO2 Measured SiO2 concentrations D. TiO2 Measured TiO2 concentrations E. Al2O3 Measured Al2O3 concentrations F. FeOt Measured or calculated FeO concentrations G. MnO Measured MnO concentrations H. MgO Measured MgO concentrations I. CaO Measured CaO concentrations J. Na2O Measured Na2O concentrations K. K2O Measured K2O concentrations L. P2O5 Measured P2O5 concentrations M. LOI Measured loss-on-ignition concentrations N. total total values that sum the major element concentrations O. Mg# Mg-number values calculated by measured Mg/(Mg+Fe) (in atomic %) P. Th Measured Th concentrations Q. Nb Measured Nb concentrations R. La Measured La concentrations S. Ce Measured Ce concentrations T. Pr Measured Pr concentrations U. Zr Measured Zr concentrations V. Sm Measured Sm concentrations W. Eu Measured Eu concentrations X. Ti Measured Ti concentrations Y. Gd Measured Gd concentrations Z. Tb Measured Tb concentrations AA. Dy Measured Dy concentrations AB. Y Measured Y concentrations AC. Ho Measured Ho concentrations AD. Er Measured Er concentrations AE. Tm Measured Tm concentrations AF. Yb Measured Yb concentrations AG. Sc Measured Sc concentrations AH. V Measured V concentrations AE. Cr Measured Cr concentrations AF. Mn Measured Mn concentrations AG. Co Measured Co concentrations AH. Ni Measured Ni concentrations AE. Cu Measured Cu concentrations AF. Sr Measured Sr concentrations AG. Ba Measured Ba concentrations AH. U Measured U concentrations AE. Rb Measured Rb concentrations AF. Nd Measured Nd concentrations AG. Hf Measured Hf concentrations AH. Pb Measured Pb concentrations ----------------------------------------- DATA DESCRIPTION FOR Table S2.xlsx ----------------------------------------- create sections for each dataset included 1. Number of variables 15 2. Number of casesrows 148 3. Missing data codes Codesymbol Definition "-" below lower analytical limits 4. Variable List A. Comment Mineral B. Na2O Measured Na2O concentrations C. NiO Measured NiO concentrations D. K2O Measured K2O concentrations E. SiO2 Measured SiO2 concentrations F. FeO Measured FeO concentrations G. CaO Measured CaO concentrations H. Al2O3 Measured Al2O3 concentrations I. MnO Measured MnO concentrations J. MgO Measured MgO concentrations K. Cr2O3 Measured Cr2O3 concentrations L. TiO2 Measured TiO2 concentrations M. total total values that sum the measured element concentrations N. Mg# Mg-number values calculated by measured Mg/(Mg+Fe) (in atomic %) O. Mg# Mg-number values calculated by measured Cr/(Cr+Al) (in atomic %) ----------------------------------------- DATA DESCRIPTION FOR Table S3.xlsx ----------------------------------------- create sections for each dataset included 1. Number of variables 18 2. Number of casesrows 3 3. Missing data codes Not applicable 4. Variable List A. Sample Mineral B. Re Measured Re concentrations C. Os Measured Os concentrations D. Ir Measured Ir concentrations E. Ru Measured Ru concentrations F. Pt Measured Pt concentrations G. Pd Measured Pd concentrations H. Al2O3 Measured Al2O3 concentrations I. 187Re/188Os Measured 187Re/188Os ratios J. 187Os/188Os Measured 187Os/188Os ratios K. 2sm data deviations L. Time (Ma) Estimated formation time of samples M. 187Os/188Osinic Initial 187Os/188Os ratios N. 187Os/188OsT chondrite 187Os/188Os ratios of formation time O. γ Os calculated Os gamma values P. T Ma (Ga) Ch The TMA model age assuming chrondrite source Q. TRD (Ga) Ch The TRD model age assuming a chrondrite source R. TRD (Ga) PUM The TRD model age assuming a primitive mantle source S. 187Os/188Os sample (EA) Deviations from a chrondrite source -------------------------- METHODOLOGICAL INFORMATION -------------------------- # # Software If specialized software(s) generated your data or # are necessary to interpret it, please provide for each (if # applicable) software name, version, system requirements, # and developer. #If you developed the software, please provide (if applicable) #A copy of the software’s binary executable compatible with the system requirements described above. #A source snapshot or distribution if the source code is not stored in a publicly available online repository. #All software source components, including pointers to source(s) for third-party components (if any) 1. Software-specific information create a new entry for each qualifying software program Not applicable Additional Notes(such as, will this software not run on certain operating systems) Not applicable 2. Equipment-specific information create a new entry for each qualifying piece of equipment Petrograpgic microscope Model: Leica DM2700 P Scanning Electron Microscope Model: Carl Zeiss SUPRA55SAPPHIR Field Emission Scanning Electron Microscope X-ray fluorescence spectrometer Model: Thermo Scientific ARL 9900 X-ray fluorescence spectrometer Model: Thermo-ARL Advant’XP+ sequential X-ray fluorescence spectrometer Inductively coupled plasma mass spectrometer Model: Agilent 7700 Inductively coupled plasma mass spectrometer Model: Thermo Scientific ICapQc Inductively coupled plasma mass spectrometer Model: Thermo Element 2 Desolvating Nebulizer System Model: CETAC Aridus IITM