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1. Bissa Gold mineralization in the Sabcé district, Goren belt (Burkina Faso, West African Craton): implication of arsenic in the concentration of visible and invisible gold in pyrites NSTL国家科技图书文献中心

Yacouba,Ouedraogo |  Hermann,Ilboudo... -  《Arabian journal of geosciences》 - 2025,18(2) - 共16页

摘要: visible gold is present, invisible gold is present in |  pyrites are where visible and invisible gold like to | Abstract The Bissa orogenic gold deposit is |  that visible gold is present in type I and II pyrites |  located at the contact between basic (basalt) and felsic
关键词: Bissa Gold |  Sabcé shear zone |  Hydrothermal alteration |  Visible and invisible gold

2. Implications for metallogenic evolution of the Balong gold deposit, East Kunlun metallogenic belt: Insights from in-situ trace elements and S isotopes of sulfides NSTL国家科技图书文献中心

Zhao, Yanyan |  Tan, Jun... -  《Journal of Geochemical Exploration》 - 2025,269 - 共17页 - 被引量:1

摘要: consists of both visible and invisible gold. Gold occurs |  from visible gold grains, the majority of invisible |  and later invisible gold enrichment. Pyrite records | The Balong gold deposit is one of numerous |  lode gold deposits in the East Kunlun metallogenic
关键词: Balong gold deposit |  In-situ sulfur isotope |  Ore genesis |  LA-ICP-MS trace elements

3. Single-molecule light-scattering imaging for in situ counting circular RNA NSTL国家科技图书文献中心

Wang, Hao |  Liu, Xin... -  《Nano Today》 - 2025,63 - 共9页

摘要: strong light-scattering signals of gold nanoparticles |  small and initially invisible. The microRNA sponge | The detection of circular RNA (circRNA) at the |  single-molecule level is essential for the elucidation |  of circRNAmediated signaling pathways and its
关键词: Circular RNA |  AuNPs |  Light-scattering imaging |  In situ |  Single-molecule level

4. From "invisible" to "audible": features extracted during simple speech tasks predict patient-reported fatigue in multiple sclerosis NSTL国家科技图书文献中心

Nylander, Alyssa |  Sisodia, Nikki... -  《Multiple sclerosis》 - 2025,31(2) - 199~200 - 共2页

摘要:Background: Fatigue is a major "invisible |  gold-standard subjective fatigue measures. | " symptom in people with multiple sclerosis (PwMS), which |  may affect speech. Automated speech analysis is an |  objective, rapid tool to capture digital speech biomarkers
关键词: Fatigue |  multiple sclerosis |  outcome measurement

5. Does SW China have Carlin-type gold deposits? A micro- to atomic-scale perspective NSTL国家科技图书文献中心

Xie, Zhuojun |  Gopon, Phillip... -  《Mineralium deposita》 - 2024,59(4) - 757~772 - 共16页 - 被引量:6

摘要: confirms that invisible gold is principally structure | Actively mined Carlin-type gold provinces are |  representative Nevadan deposit. Results show that invisible |  gold in both deposits occurs in complex micrometer | . Gold deposition from undersaturated, arsenic
关键词: Invisible gold |  Au-As behavior |  Carlin-type gold deposit |  Atom probe tomography (APT)

6. Characteristics and control of gold mineralisation of Sindurpur Area, North Singhbhum Mobile Belt, Eastern India: Evidence from petrography and mineral chemistry NSTL国家科技图书文献中心

Pal Supriyo |  Chatterjee Soumava... -  《Journal of earth system science》 - 2024,133(3) - 共5页

摘要: invisible gold. The presence of gold grains/nuggets at the |  for hosting gold mineralisation. A study carried out |  veins/reefs. In the study area, gold mineralisation is |  gold in pyrite, where gold occurs as a solid solution |  bimodal nature of gold mineralisation. Mode of
关键词: Tamar–Porapahar Shear Zone |  Quartz reef |  gold mineralisation |  pyrite |  NSMB |  invisible gold

7. Lithochemistry, and gold and sulphides chemistry from the Abiete-Toko Gold District in the NW edge Congo Craton, Nyong Complex (SW-Cameroon): Insights into the primary source of alluvial gold deposits and occurrence in the area NSTL国家科技图书文献中心

Mandeng, Eugene Pasc... |  Betsi, Thierry Binel...... -  《Journal of Geochemical Exploration: Journal of the Association of Exploration Geochemists》 - 2024,266 - ARTN 107572~ - 共18页

摘要:. Gold in the ATGD rocks is essentially invisible and | The Abiete-Toko Gold District (ATGD), in the |  alluvial gold. Although numerous works were focused on |  the ATGD alluvial gold deposits, their primary | -ICP-MS), the chemistry of alluvial gold grains
关键词: Abiete-Toko Gold District |  Gold deposits |  Gold-bearing minerals |  Invisible gold |  Sulphide |  Cameroon |  TRONDHJEMITE-GRANODIORITE TTG |  TRACE-ELEMENT ZONATION |  CENTRAL AFRICAN BELT |  OROGENIC GOLD...

8. Combined Effect of Organic Carbon and Arsenic on the Formation of Sediment-Hosted Gold Deposits: A Case Study of the Shahuindo Epithermal Deposit, Peru NSTL国家科技图书文献中心

Vallance, Jean |  Galdos, Renzo... -  《Economic geology and the bulletin of the Society of Economic Geologists》 - 2024,119(1) - 85~112 - 共28页 - 被引量:3

摘要: systematic occurrence of invisible gold -bearing arsenian | , occurs in the form of invisible gold in arsenian pyrite | Sediment -hosted gold deposits represent a |  significant portion of the world's gold resources. They are |  formation and the distribution of gold remains a long
关键词: MAGMATIC-HYDROTHERMAL ORIGIN |  TRACE-ELEMENT |  CARLIN-TYPE |  INVISIBLE GOLD |  SOUTH-AFRICA |  THERMODYNAMIC PROPERTIES |  WITWATERSRAND BASIN |  SOFTWARE PACKAGE |  ORE-DEPOSITS |  NAZCA RIDGE

9. Implications for metallogenic evolution of the giant Zhenyuan gold deposit (Yunnan, SW China) from textures and geochemical compositions of pyrite NSTL国家科技图书文献中心

Zhang, Huichao |  Cook, Nigel J.... -  《Contributions to Mineralogy and Petrology》 - 2024,179(1) - ARTN 7~ - 共22页 - 被引量:1

摘要: visible and invisible gold occur only in the As-rich |  ubiquitous component of many hydrothermal gold deposits |  gold-bearing pyrite in samples from the largest gold |  deposit in the Ailaoshan gold belt, SW China, Zhenyuan |  for gold. Two types of pyrite can be clearly
关键词: Pyrite |  Compositional zoning |  Trace-element concentrations |  NanoSIMS in-situ sulfur isotopes |  Ailaoshan gold belt |  RIVER SHEAR ZONE |  TRACE-ELEMENT CONTENT |  WESTERN YUNNAN |  INVISIBLE GOLD |  SULFUR ISOTOPES...

10. ARSENOPYRITE FROM THE LOW-SULPHIDATION SEDEFCHE AU-AG DEPOSIT, EASTERN RHODOPES: MINERAL ASSOCIATION AND GOLD POTENTIAL NSTL国家科技图书文献中心

Lutov, George |  Georgieva, Sylvina... -  《Comptes Rendus de l'Academie Bulgare des Sciences》 - 2024,77(9) - 1302~1311 - 共10页

摘要: quartz, formed in several stages of deposition. Gold in |  bulk ore samples, while native gold (a single < 1 m |  gold nugget) and gold-bearing phases were |  sporadically discovered. The form of gold presence in the |  concentrations of gold have been established in the
关键词: "invisible gold" |  nanoparticles |  arsenopyrite |  low-sulphidation epithermal type |  LA-ICP-MS
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