In situ magnetic susceptibility and gamma radiation data in the Candela-Monclova  intrusive belt, Northeast Mexico: case studies of the Cerro Colorado and Cerro  Marcelinos plutons

Jose Alberto Batısta RODRIGUEZ; Edgar RODRIGUEZ; Pedro Rodrıguez RIOJAS; Roberto Dıaz MARTINEZ; Antonıo Rodrıguez VEGA; Felıpe De Jesus Lopez SAUCEDO

doi:https://doi.org/10.3906/yer-1905-21

Makale detayları

In situ magnetic susceptibility and gamma radiation data in the Candela-Monclova intrusive belt, Northeast Mexico: case studies of the Cerro Colorado and Cerro Marcelinos plutons

Yazarlar:

Jose Alberto Batısta RODRIGUEZ | Edgar RODRIGUEZ | Pedro Rodrıguez RIOJAS | Roberto Dıaz MARTINEZ | Antonıo Rodrıguez VEGA | Felıpe De Jesus Lopez SAUCEDO

Yayıncı:

TUBITAK

Dergi:

Turkish Journal of Earth Sciences 2020 Vol.29 Issue 4, pp.579-595

Belge Tipi:

Makale

Yayın Tarihi:

4/2020

Belge Dili:

İngilizce

Document ID (Org No.):

2000730815

Sıklık:

İki Aylık

eISSN:

1303-619X

pISSN:

1300-0985

DOI:

https://doi.org/10.3906/yer-1905-21

Özet:

 

The Cerro Marcelinos  CM  and Cerro Colorado  CC  plutons are part of the Candela-Monclova intrusive belt  NE Mexico ,  which is mid-Eocene in age  43-35 Ma . It intrudes into the Sabinas Basin, primarily made up of limestones, of Lower and Upper  Cretaceous age. Around several intrusions, including the CM and CC plutons, mineralizations are known. However, how much hidden  mineralizations would occur is not known. Trends within the plutons and in contact aureoles are also poorly described at present.  Therefore, we provide here in situ magnetic susceptibility  MS  and gamma ray spectrometry  GS  data along two composite transects,  one in each pluton, to delineate such potential trends. The data show variations of 0.003 × 10-3 SI and 104 × 10-3 in MS and of 7.1 nGy/h  and 196 nGy/h in GS with a clear relation to rock type and amount of metasomatism. The radioactive contents in the outcrops of contact  metamorphic rocks indicate a contact metasomatism with differing degrees of alteration during emplacement of the plutons. The host  limestones have magnetic minerals incorporated during the intrusion process. MS and GS indicate an increase in the degree of acidity  towards the center of both plutons, possibly associated with the later stages of the magmatic differentiation process. The MS could divide  the igneous rocks into two groups, weakly magnetic  group 1 with MS ≤ 3 × 10-3 SI  and strongly magnetic  group 2 with MS > 3 ×  10-3 SI , associated with the magnetite and ilmenite series, respectively. These classes provide useful information regarding the internal  magnetic zoning in the plutons, which can be associated with mineralizations of mainly Au and Cu. Mainly, the magnetite series  group  2  delimited more perspective zones for mineral exploration. This zoning in MS could guide future mineral exploration in both plutons.

Makale detayları

In situ magnetic susceptibility and gamma radiation data in the Candela-Monclova intrusive belt, Northeast Mexico: case studies of the Cerro Colorado and Cerro Marcelinos plutons

Yazarlar: Jose Alberto Batısta RODRIGUEZ | Edgar RODRIGUEZ | Pedro Rodrıguez RIOJAS | Roberto Dıaz MARTINEZ | Antonıo Rodrıguez VEGA | Felıpe De Jesus Lopez SAUCEDO

Yayıncı: TUBITAK

Dergi: Turkish Journal of Earth Sciences 2020 Vol.29 Issue 4, pp.579-595

Belge Tipi: Makale

Yayın Tarihi: 4/2020

Belge Dili: İngilizce

Document ID (Org No.): 2000730815

Sıklık: İki Aylık

eISSN: 1303-619X

pISSN: 1300-0985

DOI: https://doi.org/10.3906/yer-1905-21

Sayı

Yazarlar:

Jose Alberto Batısta RODRIGUEZ | Edgar RODRIGUEZ | Pedro Rodrıguez RIOJAS | Roberto Dıaz MARTINEZ | Antonıo Rodrıguez VEGA | Felıpe De Jesus Lopez SAUCEDO

Yayıncı:

TUBITAK

Dergi:

Turkish Journal of Earth Sciences 2020 Vol.29 Issue 4, pp.579-595

Belge Tipi:

Makale

Yayın Tarihi:

4/2020

Belge Dili:

İngilizce

Document ID (Org No.):

2000730815

Sıklık:

İki Aylık

eISSN:

1303-619X

pISSN:

1300-0985

DOI:

https://doi.org/10.3906/yer-1905-21