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The provenance and tectonic settings of the greywacke member of the late Neoproterozoic Hazara Formation Lesser Himalayas, Northern Pakistan : evidence from geochemistry and petrography

The petrographic and geochemical analysis of the greywacke horizon of the late Neoproterozoic Hazara Formation from the Hazara Mountains has been investigated to determine the provenance, tectonic settings and weathering history of the sediments. The Late Neoproterozoic Hazara Formation is a thick s...

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Main Authors: Dar, Qamar UZ Zaman, Pu, Renhai, Zulqarnain Sajid,, Mehmood, Mubashir, Abdul Wahab,, Khan, Muhammad Jehangir, Tajjamal Latif,
Format: Article
Language:English
Published: Penerbit Universiti Kebangsaan Malaysia 2021
Online Access:http://journalarticle.ukm.my/18320/1/4.pdf
http://journalarticle.ukm.my/18320/
https://www.ukm.my/jsm/malay_journals/jilid50bil12_2021/KandunganJilid50Bil12_2021.html
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spelling my-ukm.journal.183202022-04-11T04:37:09Z http://journalarticle.ukm.my/18320/ The provenance and tectonic settings of the greywacke member of the late Neoproterozoic Hazara Formation Lesser Himalayas, Northern Pakistan : evidence from geochemistry and petrography Dar, Qamar UZ Zaman Pu, Renhai Zulqarnain Sajid, Mehmood, Mubashir Abdul Wahab, Khan, Muhammad Jehangir Tajjamal Latif, The petrographic and geochemical analysis of the greywacke horizon of the late Neoproterozoic Hazara Formation from the Hazara Mountains has been investigated to determine the provenance, tectonic settings and weathering history of the sediments. The Late Neoproterozoic Hazara Formation is a thick sedimentary sequence comprising of greywacke, shale, argillites, siltstone, and limestone. The greywackes are characterized by fine to medium-grained, moderately sorted and sub-angular to sub-rounded framework grains. They are rich in quartz, lithic fragments and clay minerals. The petrographic investigation of the greywackes categorized them as feldspathic greywacke in the QFR diagram. The quartz content is higher in sandstone and may reach to 70%, which indicates a weathered felsic source. Chemical Index of Alteration values of greywacke suggests that the source region has experienced highly weathering conditions with a warm and moist climate. Various geochemical interpretations, elemental ratios like Th/Sc, La/Sc,Th/Cr, and positive Eu anomalies indicate that the greywackes of the Hazara formation derived from a felsic source and were deposited within an active continental margin tectonic settings. The main source area of the sediments of the greywackes was located to south to southeast, which may possibly be the Aravali orogeny, central Indian craton and Bundelkhand craton. Finally, the geochemical data of the major elements point to a felsic igneous provenance for the greywacke. Penerbit Universiti Kebangsaan Malaysia 2021-12 Article PeerReviewed application/pdf en http://journalarticle.ukm.my/18320/1/4.pdf Dar, Qamar UZ Zaman and Pu, Renhai and Zulqarnain Sajid, and Mehmood, Mubashir and Abdul Wahab, and Khan, Muhammad Jehangir and Tajjamal Latif, (2021) The provenance and tectonic settings of the greywacke member of the late Neoproterozoic Hazara Formation Lesser Himalayas, Northern Pakistan : evidence from geochemistry and petrography. Sains Malaysiana, 50 (12). pp. 3505-3522. ISSN 0126-6039 https://www.ukm.my/jsm/malay_journals/jilid50bil12_2021/KandunganJilid50Bil12_2021.html
institution Universiti Kebangsaan Malaysia
building Tun Sri Lanang Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Kebangsaan Malaysia
content_source UKM Journal Article Repository
url_provider http://journalarticle.ukm.my/
language English
description The petrographic and geochemical analysis of the greywacke horizon of the late Neoproterozoic Hazara Formation from the Hazara Mountains has been investigated to determine the provenance, tectonic settings and weathering history of the sediments. The Late Neoproterozoic Hazara Formation is a thick sedimentary sequence comprising of greywacke, shale, argillites, siltstone, and limestone. The greywackes are characterized by fine to medium-grained, moderately sorted and sub-angular to sub-rounded framework grains. They are rich in quartz, lithic fragments and clay minerals. The petrographic investigation of the greywackes categorized them as feldspathic greywacke in the QFR diagram. The quartz content is higher in sandstone and may reach to 70%, which indicates a weathered felsic source. Chemical Index of Alteration values of greywacke suggests that the source region has experienced highly weathering conditions with a warm and moist climate. Various geochemical interpretations, elemental ratios like Th/Sc, La/Sc,Th/Cr, and positive Eu anomalies indicate that the greywackes of the Hazara formation derived from a felsic source and were deposited within an active continental margin tectonic settings. The main source area of the sediments of the greywackes was located to south to southeast, which may possibly be the Aravali orogeny, central Indian craton and Bundelkhand craton. Finally, the geochemical data of the major elements point to a felsic igneous provenance for the greywacke.
format Article
author Dar, Qamar UZ Zaman
Pu, Renhai
Zulqarnain Sajid,
Mehmood, Mubashir
Abdul Wahab,
Khan, Muhammad Jehangir
Tajjamal Latif,
spellingShingle Dar, Qamar UZ Zaman
Pu, Renhai
Zulqarnain Sajid,
Mehmood, Mubashir
Abdul Wahab,
Khan, Muhammad Jehangir
Tajjamal Latif,
The provenance and tectonic settings of the greywacke member of the late Neoproterozoic Hazara Formation Lesser Himalayas, Northern Pakistan : evidence from geochemistry and petrography
author_facet Dar, Qamar UZ Zaman
Pu, Renhai
Zulqarnain Sajid,
Mehmood, Mubashir
Abdul Wahab,
Khan, Muhammad Jehangir
Tajjamal Latif,
author_sort Dar, Qamar UZ Zaman
title The provenance and tectonic settings of the greywacke member of the late Neoproterozoic Hazara Formation Lesser Himalayas, Northern Pakistan : evidence from geochemistry and petrography
title_short The provenance and tectonic settings of the greywacke member of the late Neoproterozoic Hazara Formation Lesser Himalayas, Northern Pakistan : evidence from geochemistry and petrography
title_full The provenance and tectonic settings of the greywacke member of the late Neoproterozoic Hazara Formation Lesser Himalayas, Northern Pakistan : evidence from geochemistry and petrography
title_fullStr The provenance and tectonic settings of the greywacke member of the late Neoproterozoic Hazara Formation Lesser Himalayas, Northern Pakistan : evidence from geochemistry and petrography
title_full_unstemmed The provenance and tectonic settings of the greywacke member of the late Neoproterozoic Hazara Formation Lesser Himalayas, Northern Pakistan : evidence from geochemistry and petrography
title_sort provenance and tectonic settings of the greywacke member of the late neoproterozoic hazara formation lesser himalayas, northern pakistan : evidence from geochemistry and petrography
publisher Penerbit Universiti Kebangsaan Malaysia
publishDate 2021
url http://journalarticle.ukm.my/18320/1/4.pdf
http://journalarticle.ukm.my/18320/
https://www.ukm.my/jsm/malay_journals/jilid50bil12_2021/KandunganJilid50Bil12_2021.html
_version_ 1731226520702156800
score 13.211869

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