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Calcare Metallifero Bergamasco

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(A) Geologic scheme of the European Alps. CH—Switzerland. (B) Stratigraphic log of the upper Anisian–Carnian succession in the Gorno mining district, showing mineralized horizons. (C) Geologic map of the Gorno mining district showing ore deposits; adapted from Jadoul et al. (2012). (D) Stratabound dolomite Dol-2 body in Calcare Metallifero Bergamasco (CMB) hosting major sulfide mineralization (45°55′15.1″N, 9°48′07.9″E).
Published: 14 April 2022
) Stratabound dolomite Dol-2 body in Calcare Metallifero Bergamasco (CMB) hosting major sulfide mineralization (45°55′15.1″N, 9°48′07.9″E).
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(A) Reworked clasts of early diagenetic dolomite Dol-1 (rwDol-1) at the base of a transgressive subtidal bed in the Calcare Metallifero Bergamasco (CMB) in northern Italy. (B) Stratiform mosaic breccia with clasts of replacive Dol-2 (rDol-2) cemented by sphalerite (Sp) and calcite Cal-2. (C,D) Mesoscopic features (C), and transmitted light photomicrograph of sample OC89 (D), showing rDol-2, sphalerite (Sp), and Cal-2 relationships in mineralized breccias. (E) Bivalve shells in the CMB, partially filled with Dol-2. (F) Dissolution cavity in the Breno Formation (dashed line) infilled by laminated sediments (lsed), resting on euhedral terminations of Cal-2 crystals. (G) Internal sediments in dissolution cavity in the Breno Formation (base delimited by dashed line). Lag of reworked Dol-2 clasts (rwDol-2) passes upward to finer-grained laminated sediments (lsed).
Published: 14 April 2022
Figure 2. (A) Reworked clasts of early diagenetic dolomite Dol-1 (rwDol-1) at the base of a transgressive subtidal bed in the Calcare Metallifero Bergamasco (CMB) in northern Italy. (B) Stratiform mosaic breccia with clasts of replacive Dol-2 (rDol-2) cemented by sphalerite (Sp) and calcite Cal-2
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A) geographic setting; B) stratigraphy of the Ladinian-Carnian succession of the Brembana Valley (modified from Garzanti & Jadoul, 1985); C) landscape view of the Arabescato Orobico quarries in the middle of Brembana Valley; D) simplified geological map of the studied area. Lithostratigraphy: We: Wengen Fm., Bu: Buchenstein Fm., CE: Esino Limestone, CR: Calcare Rosso, Br: Breno Fm., CMB: Calcare Metallifero Bergamasco Fm., Go1: lower Gorno Fm., AVS: Val Sabbia Sandstone, Go2: upper Gorno Fm., SGB: San Giovanni Bianco Fm. Quaternary deposits: A: alluvial, Q: fluvio-glacial. E) The Arabescato Orobico quarries and stratigraphic logs. 1: Paglio Pignolino; 2: Sonzogni gallery; 3: Menegoli quarry; 4: Remuzzi quarry, property of “Remuzzi Marmi S.n.c.”; 5–6: Redonda quarry, property of “I.S.C. S.a.s. di Sonzogni F.” (ex Marmi Arabescati Sonzogni); 7: Cadei quarry; 8: Darco quarry, property of “Cave Gamba S.a.s.”; 9: Cornalita quarry, property of “Marmi Orobici e Graniti S.p.a.”; 10: Val Secca quarry, property of “Marmi Orobici e Graniti S.p.a.”; 11: Scaravino quarry, property of “Cave Gamba S.a.s.” (ex Marmi Mecca); 12: Serino quarry, property of “Cave Gamba S.a.s.” (ex Marmi Mecca); 13: Cespedosio quarry-road approach; 14: Mecca quarry, property of the “Marmi Mecca S.p.a; 15: Bernacca quarry; 16: Corna Grossa section; 17: Corna Rossa section; 18: Northern Corna Rossa section.
Published: 01 June 2014
. Lithostratigraphy: We: Wengen Fm., Bu: Buchenstein Fm., CE: Esino Limestone, CR: Calcare Rosso, Br: Breno Fm., CMB: Calcare Metallifero Bergamasco Fm., Go1: lower Gorno Fm., AVS: Val Sabbia Sandstone, Go2: upper Gorno Fm., SGB: San Giovanni Bianco Fm. Quaternary deposits: A: alluvial, Q: fluvio-glacial. E
Journal Article
Journal: Geology
Published: 14 April 2022
Geology (2022) 50 (7): 853–858.
...) Stratabound dolomite Dol-2 body in Calcare Metallifero Bergamasco (CMB) hosting major sulfide mineralization (45°55′15.1″N, 9°48′07.9″E). ...
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Journal Article
Published: 01 June 2014
Italian Journal of Geosciences (2014) 133 (2): 294–314.
.... Lithostratigraphy: We: Wengen Fm., Bu: Buchenstein Fm., CE: Esino Limestone, CR: Calcare Rosso, Br: Breno Fm., CMB: Calcare Metallifero Bergamasco Fm., Go1: lower Gorno Fm., AVS: Val Sabbia Sandstone, Go2: upper Gorno Fm., SGB: San Giovanni Bianco Fm. Quaternary deposits: A: alluvial, Q: fluvio-glacial. E...
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Series: Geological Society, London, Geology of Series
Published: 01 January 2008
DOI: 10.1144/CEV2P.1
EISBN: 9781862393899
... Formation; C.R., ‘Calcare Rosso’; C.M.B., ‘Calcare Metallifero Bergamasco’. Column C: V.Leogra/P.d.Peres Hz., Val Leogra and Piz da Peres Horizons; Schlernp. Fm., Schlernplateau Formation. Column D: P.d.Peres Hz., Piz da Peres Horizon; Ug./Tu. Fm., Ugovizza Formation (base) and Tuglia Formation (top); R...
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