International Journal of Oceanography

Research Article

Carbon and Oxygen Isotopic Stratigraphy of Mesoproterozoic Carbonate Sequences (1.6–1.4 Ga) from Yanshan in North China

Table 2

Isotopic and elemental compositions of Mesoproterozoic carbonates from Yanshan, North China.
FormationSamplesStratigraphic depth/mLithologiesδ 13C/‰  (PDB)δ 18O/‰  (PDB)Mn/SrSr/ppmMg/Ca
Tieling Fm.Ktl-46-T1536.03Micritic limestone0.0−5.93.1863.30.03
Ktl-40-T1563.33Limestone1.0−5.83.1559.00.07
Ktl-36-T1581.47Argillaceous limestone0.6−5.45.3756.30.72
Ktl-29-T2606.44Micritic dolostone−0.2−5.2    
Ktl-29-T1607.44Argillaceous dolostone−0.1−5.3  1.89
Ktl-28-T1650.17Micritic dolostone−0.6−6.8271.2843.52.17
Ktd-16-T1720.81Breccia dolostone−1.2−6.8   
Ktd-12-T2737.24Micritic dolostone−1.7−5.7  0.68
Ktd-12-T1737.34Micritic dolostone−1.6−6.929.444.30.99
Hongshuizhuang Fm.KH-11-T1738.04Micritic dolostone−1.7−5.584.0140.62.01
Wumishan Fm.LW-409-T1857.77Micritic dolostone1.3−4.0   
LW-395-T1963.96Micritic dolostone1.1−7.7   
LW-356-T11213.39dolostone bearing MT0.7−6.6   
LW-347-T11265.3Micritic dolostone0.3−5.26.1110.20.6
LW-331-T11364.92Calcareous dolostone0.8−7.8   
LW-329-T11375.58Dolomitic limestone1.5−8.60.4994.90.61
LW-324-T11446.5Micritic limestone1.5−8.61.1786.10.49
LW-321-T11467.67MT limestone in situ 1.3−8.4   
LW-315-T11531.43Micritic limestone−0.2−11.50.54115.00.6
LW-299-T11676.2MT micriticlimestone0.6−8.8   
LW-295-T11694.04Dolomitic limestone−0.8−10.2   
LW-293-T11702.94Micritic dolostone0.2−7.1   
LW-287-T11745.94Powder dolostone0.5−6.22.7234.20.6
LW-286-T11752.03Powder dolostone0.7−7.12.2627.50.57
LW-278-T11795.39Powder dolostone0.6−5.72.9720.90.61
LW-270-T11840.77Dolostone0.2−5.26.7331.10.59
LW-265-T11866.38Algal dolostone0.0−6.1   
LW-257-T11930.82Dolostone−2.1−5.2   
LW-249-T11973.53Algal dolostone0.4−6.72.4918.70.59
LW-240-T12027.2Sparry dolostone0.5−7.2   
LW-238-T12046.83Stromatolite dolostone0.4−7.1   
LW-233-T12079.2Powder dolostone0.7−6.717.9219.50.48
LW-227-T12117.68Powder dolostone0.7−7.717.3820.10.58
LW-223-T12150.28Algal dolostone0.3−9.215.0426.30.6
LW-218-T12184.96Powder dolostone−0.5−6.3   
LW-213-T12217.08Dolostone−0.8−6.417.218.00.61
LW-207-T12271.37Powder dolostone−0.1−6.67.8319.80.6
LW-201-T12321.32Stromatolite olostone0.6−7.8   
LW-196-T12375.19Dolostone0.3−7.6   
LW-192-T12405.43Powder dolostone−0.5−7.0   
LW-184-T12451.98Dolostone0.4−7.6   
LW-175-T12559.8Powder dolostone0.2−6.1   
LW-167-T12617.95Algal dolostone0.1−5.5   
LW-162-T12684.71Siliceous dolostone0.6−5.01.6823.10.61
LW-158-T12749.17Powder dolostone0.5−7.0   
LW-155-T12767.03Powder dolostone0.6−5.71.4831.40.6
LW-148-T12819.09Powder dolostone0.6−5.2   
LW-138-T12882.64Dolostone0.0−5.259.038.80.59
LW-132-T12915.65Dolostone0.3−5.7   
LW-128-T22941.69Powder dolostone0.0−5.8   
LW-128-T12943.79Dolostone0.3−4.82.9815.60.6
LW-119-T13054.87Siliceous dolostone−1.7−6.12.1625.10.61
LW-113-T13079.65Siliceous dolostone−1.7−6.016.9621.90.6
LW-99-T13192.1Dolostone−0.8−5.2   
LW-73-T13334.6Powder dolostone−0.7−4.8   
LW-67-T13381.68Powder dolostone0.0−5.8   
LW-57-T13448.42Powder dolostone0.2−4.72.0922.30.03
LW-52-T13483.76Dolostone0.4−4.9   
LW-50-T13504.88Dolostone0.0−4.4   
LW-44-T13543.89Dolostone0.8−5.64.0715.20.6
LW-39-T13578.55Stromatolite dolostone1.4−5.43.3125.70.57
LW-33-T13618.71Powder dolostone1.6−4.72.1325.40.57
LW-30-T13636.91Dolostone0.9−4.72.4525.30.6
LW-29-T13641.91Dolostone0.5−4.2   
LW-24-T13665.83Dolostone0.2−2.3   
LW-22-T13687.32Algal dolostone−0.2−4.31.6233.50.57
LW-20-T13715.37Dolostone−0.7−2.9318.10.6
LW-13-T13762.27Dolostone−1.1−4.2   
LW-11-T13776.1Dolostone−0.3−5.5   
LW-3-T13826.82Muddy dolostone−0.8−2.83.4431.50.58
Yangzhuang Fm.KY2-217-T13849.48Sandy dolostone−1.3−5.1   
KY2-216-T13849.98Muddy dolostone−0.9−3.81.55156.20.47
KY2-214-T13861.28Muddy dolostone−0.7−4.9   
KY2-212-T13876.08Muddy dolostone−1.4−5.914.239.20.58
KY2-207-T13897.09Muddy dolostone−0.9−3.5   
KY2-201-T13921.36Siliceous dolostone0.1−7.3   
KY2-194-T13965.2Siliceous dolostone−1.1−7.13.6347.70.6
KY2-192-T13983.89Siliceous dolostone−1.4−6.7   
KY1-190-T14006.3Siliceous dolostone−1.1−8.25.7631.40.52
KY1-187-T14016.91Siliceous dolostone−1.3−8.14.0940.30.6
KY1-180-T14064.11Siliceous dolostone−0.5−6.25.9846.90.59
KY1-174-T14100.75Siliceous dolostone−0.6−6.51.7247.20.59
Gaoyuzhuang Fm.Gh1-170-T14191.12Algal dolostone−0.7−9.9   
Gh1-168-T14217.14Calcareous dolostone−0.4−14.919.254.70.55
Gz2-147-T14472.34Breccia limestone0.1−5.93.9431.00.51
Gz2-141-T24519.32Dolostone−0.9−7.34.7528.90.47
Gz2-141-T14519.32Nodular limestone−1.8−9.913.9622.70.48
Gz2-137-T14538.71Nodular limestone−0.7−12.9   
Gz2-135-T24547.75Siliceous shale0.0−12.3   
Gz2-135-T14548.15Limestone lens−0.8−12.92.4623.20.53
Gz2-134-T14552.65Siliceous limestone−0.8−8.01.6316.10.19
Gz1-133-T14571.12Muddy limestone−0.9−6.4   
Gz1-126-T14608.43Calcareous dolostone−1.1−7.4   
Gz1-122-T14627.76Nodular limestone−1.3−7.1   
Gz1-113-T14664.23Dolomitic limestone−1.2−7.7   
Gs-111-T14675.53Dolostone with Mn−0.7−6.2   
Gs-98-T14714.52Dolostone with Mn0.0−4.11.3142.30.22
Gs-96-T14744.45Dolostone with Mn−0.4−4.8   
Gg2-91-T14791.6Muddy dolostone−1.1−4.8   
Gg2-89-T14812.78Stromatolite dolostone−0.1−4.30.9773.60.23
Gg2-88-T14814.78Muddy dolostone−0.9−5.1   
Gg2-87-T14818.92Silicite−1.9−9.6   
Gg2-83-T14834.27Stromatolite dolostone−0.4−6.1   
Gg1-72-T14866.67Stromatolite dolostone−0.2−5.7   
Gg1-58-T14901.87Siliceous dolostone−0.1−10.4   
Gg1-47-T14951.22Dolostone−0.3−6.2   
Gg1-35-T14994.67Dolostone−0.2−5.9   
Gg1-29-T15034.38Dolostone−6.5−17.34.0941.60.57
Gg1-28-T25046.59Quartz sandstone−1.9−7.5   
Gg1-28-T15047.09Quartz sandstone−2.8−7.25.442.60.58