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Kaa-Khem Batholith

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Journal Article
Published: 08 October 2024
Russ. Geol. Geophys. (2024)
...S.N. Rudnev; V.M. Savatenkov; I.M. Vasilieva We present the results of Nd and Pb isotope studies of late Neoproterozoic–early Paleozoic granitoids of the Kaa-Khem batholith, which formed in different geodynamic settings within the early Caledonian structures of Eastern Tuva (Altai–Sayan sialic area...
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Journal Article
Published: 01 July 2023
Russ. Geol. Geophys. (2023) 64 (7): 763–776.
...S.N. Rudnev; I.V. Karmysheva; D.V. Semenova; V.A. Yakovlev; A.M. Sugorakova Abstract —We present the results of study of the geologic structure, petrologic composition, and age of plagiogranitoid associations in the east of the Kaa-Khem batholith (Eastern Tuva). The batholith is located...
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ɛ Nd ( T )–age diagram for Caledonian granitoids of the <span class="search-highlight">Kaa</span>-<span class="search-highlight">Khem</span> <span class="search-highlight">batholith</span> ...
Published: 08 October 2024
Fig. 4. ɛ Nd ( T )–age diagram for Caledonian granitoids of the Kaa-Khem batholith of Eastern Tuva, the Sangilen block of the TMM, Southeastern Tuva, and the Lake Zone of Mongolia. 1 – 2 – isotope characteristics of the late Neoproterozoic–early Paleozoic granitoids of the Lake Zone
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Histograms and relative age probability curves for magmatic (1) and xenogen...
Published: 01 July 2023
Fig. 6. Histograms and relative age probability curves for magmatic (1) and xenogenic (2) zircons from plagiogranitoid associations of the eastern Kaa-Khem batholith. a – Histogram and relative age probability curve for magmatic zircons ( N = 64) from plagiogranitoid associations
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206 Pb/ 204 Pb– 207 Pb/ 204 Pb ( a ) and  206 Pb/ 204 Pb– 208 Pb/ 204 Pb ( ...
Published: 08 October 2024
Fig. 5. 206 Pb/ 204 Pb– 207 Pb/ 204 Pb ( a ) and 206 Pb/ 204 Pb– 208 Pb/ 204 Pb ( b ) diagrams for late Neoproterozoic granitoids of the Kaa-Khem batholith of Eastern Tuva. UC – composition field of the upper crust, LC – composition field of the lower crust. DM K–T – model evolution of the Pb
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Concordia diagrams for zircon from plagiogranitoid associations of the east...
Published: 01 July 2023
Fig. 4. Concordia diagrams for zircon from plagiogranitoid associations of the eastern Kaa-Khem batholith.
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Cathodoluminescence (CL) images of zircon grains from plagiogranitoids of t...
Published: 01 July 2023
Fig. 3. Cathodoluminescence (CL) images of zircon grains from plagiogranitoids of the eastern Kaa-Khem batholith. Numerals mark an age (Ma).
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Localization of gold deposits in geologic structures of eastern Tuva.  1 , ...
Published: 01 December 2008
Fig. 1. Localization of gold deposits in geologic structures of eastern Tuva. 1 , 2 — volcanosedimentary deposits: 1 — D–C, 2 — (Є–S; 3 — volcanoterrigenous-car-bonate deposits of the Tuva-Mongolian massif, V–(Є; 4 — intrusive rocks of the Kaa-Khem batholith; 5 — faults of: a — Kaa
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Variation diagrams for diorite–tonalite–plagiogranite associations in the e...
Published: 01 July 2023
Fig. 5. Variation diagrams for diorite–tonalite–plagiogranite associations in the eastern Kaa-Khem batholith. SiO 2 –(Na 2 O + K 2 O) diagram ( Le Maitre, 1989 ): I–III – composition fields of rocks (I – of normal alkalinity, II – of moderate alkalinity, III – of high alkalinity); SiO 2 –K 2 O
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Petrogeochemical diagrams for late Vendian–early Paleozoic plagiogranitoid ...
Published: 01 October 2020
Fig. 2. Petrogeochemical diagrams for late Vendian–early Paleozoic plagiogranitoid associations of the Kaa-Khem and East Tannu-Ola batholiths ( Borodina et al., 2004 ; Rudnev et al., 2006 , 2015 ; Mongush et al., 2011b ; Mongush and Sugorakova, 2013 ; Rudnev, 2013 ). a , TAS diagram
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Chondrite- and primitive-mantle-normalized [ Sun and McDonough, 1989 ] spid...
Published: 08 October 2024
Fig. 3. Chondrite- and primitive-mantle-normalized [ Sun and McDonough, 1989 ] spidergrams for the late Neoproterozoic ( a ) and Cambrian–Ordovician ( b , c ) intrusive associations of the Kaa-Khem batholith of Tuva [ Rudnev et al., 2015 , 2020b ]. Island arc stage: 1 – late Neoproterozoic
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Geologic relationship among plagiogranitoids, gabbroids, and rocks of the d...
Published: 01 July 2023
Fig. 2. Geologic relationship among plagiogranitoids, gabbroids, and rocks of the dike complex in the east of the Kaa-Khem batholith (confluence of the Kyzyl-Khem and Balyktyg-Khem rivers). a – Gabbro-granite mingling dike (477 ± 3 Ma, sample K471) cutting gneissoid plagiogranites (489 ± 5 Ma
Journal Article
Published: 01 September 2015
Russ. Geol. Geophys. (2015) 56 (9): 1232–1255.
...S.N. Rudnev; P.A. Serov; V.Yu. Kiseleva Abstract We summarize results of geological, geochronological, petrogeochemical, and isotope-geochemical (Sr–Nd) studies of Late Vendian–Early Paleozoic granitoid batholiths in Eastern Tuva (Kaa-Khem, East Tannu-Ola, Khamsara, etc.). Analysis...
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Journal Article
Published: 01 October 2020
Russ. Geol. Geophys. (2020) 61 (10): 1088–1108.
...Fig. 2. Petrogeochemical diagrams for late Vendian–early Paleozoic plagiogranitoid associations of the Kaa-Khem and East Tannu-Ola batholiths ( Borodina et al., 2004 ; Rudnev et al., 2006 , 2015 ; Mongush et al., 2011b ; Mongush and Sugorakova, 2013 ; Rudnev, 2013 ). a , TAS diagram...
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Petrogeochemical diagrams for late Neoproterozoic–early Paleozoic intrusive...
Published: 08 October 2024
Fig. 2. Petrogeochemical diagrams for late Neoproterozoic–early Paleozoic intrusive associations of the Kaa-Khem batholith [ Rudnev, 2013 ; Rudnev et al., 2015 , 2020b ]. a – SiO 2 –Na 2 O + K 2 O diagram [ Le Maitre, 1989 ]: I–III – composition fields of rocks of: I – normal alkalinity, II
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Petrochemical diagrams for Late Vendian–Early Paleozoic plagiogranitoid ass...
Published: 01 September 2015
Fig. 2. Petrochemical diagrams for Late Vendian–Early Paleozoic plagiogranitoid associations of the Kaa-Khem and East Tannu-Ola batholiths (see data from Table 2 ).
Journal Article
Published: 01 December 2008
Russ. Geol. Geophys. (2008) 49 (12): 923–931.
...Fig. 1. Localization of gold deposits in geologic structures of eastern Tuva. 1 , 2 — volcanosedimentary deposits: 1 — D–C, 2 — (Є–S; 3 — volcanoterrigenous-car-bonate deposits of the Tuva-Mongolian massif, V–(Є; 4 — intrusive rocks of the Kaa-Khem batholith; 5 — faults of: a — Kaa...
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ε Hf ( T )-age diagram for zircons from the late Vendian–early Paleozoic gr...
Published: 01 October 2020
Fig. 7. ε Hf ( T )-age diagram for zircons from the late Vendian–early Paleozoic granitoids and gabbroids of the Kaa-Khem and East Tannu-Ola batholiths ( Table 2 ). Designations follow Figs. 2 and 4 .
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Schematic geological map of the <span class="search-highlight">Kaa</span>-<span class="search-highlight">Khem</span> and East Tannu-Ola granitoid batho...
Published: 01 October 2020
Fig. 1. Schematic geological map of the Kaa-Khem and East Tannu-Ola granitoid batholiths in Eastern Tuva ( Podkamennyi and Sherman, 1983 ), with results of geochronological dating of granitoids and gabbroids, after Kozakov et al. (1998 , 2001, 2003 ), Rudnev et al. (2006 , 2013 , 2015
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Geologotectonic map of Tyva with major structures of the Tannu-Ola–Khamsara...
Published: 01 November 2022
, granitoid batholiths: I, Kaa-Khem, II, East Tannu-Ola, III, Khamsara, IV, Bii-Khem; 13 , major postaccretionary faults; 14 , structural zones ( a ) and subzones ( b ) of the Tannu-Ola–Khamsara island arc system: ST, Sayan–Tuva forearc zone, including subzones: CS, Central Sayan, Am, Amyl, Ksh, Kurtushiba