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Service Description: <DIV STYLE="text-align:Left;"><DIV><DIV><P><SPAN>The epithermal gold web map is a collection of data related to the epithermal gold mineral system in New Zealand. These deposits form at shallow depths and are found in active and ancient volcanic regions, often associated with geothermal systems. These deposits are rich in gold (Au) as well as trace metals such as silver (Ag), antimony (Sb), and mercury (Hg). The mineral system structure grouping the data in this web map is a classification method for deposits that form through similar geological processes. Data are grouped into energy, fluid and volcanic sources, pathways, deposition sites, and areas with evidence of outflow. There is also a data group showing known major mineral deposits and mineral occurrences.</SPAN><SPAN> </SPAN><A href="https://data.gns.cri.nz/mapservice/Content/Zealandia/Science/Minerals/EpithermalGold.html" target="_blank" STYLE="text-decoration:underline;"><SPAN>https://data.gns.cri.nz/mapservice/Content/Zealandia/Science/Minerals/EpithermalGold.html</SPAN></A></P></DIV></DIV></DIV>

Map Name: Epithermal Gold

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Layers:

• Mineral deposits (0)
  • Major deposit sites (1)
  • TVZ epithermal deposits (Quaternary) (2)
  • Hauraki epithermal deposits (late-Miocene to Pliocene) (3)
  • Northland epithermal deposits (Early Miocene) (4)
  • GERM Ag, Au and Hg hard rock sites (5)
  • GERM Au, Ag, Hg and Sb placer sites (6)
• Evidence of outflow (7)
  • Rock samples - Path finder elements (8)
  • Stream sediment - Ore elements (9)
  • Stream sediment - Path finder elements (10)
• Deposition (11)
  • NZL_GNS_250K_veins (12)
  • Rock samples - Ore elements (13)
• Pathways (14)
  • Faults - sense (15)
  • Faults_ActivityAge_Joined (16)
• Fluid and volcanic sources (17)
  • HotSprings (GERM) (18)
  • Sinter sites (QMAP) (19)
  • Volcanic breccia (QMAP) (20)
  • STAGPOOLEetal_2020_GRAVITY_TVZ (21)
  • GM11_Res500m_NZMG (22)
• Energy (23)
  • DeepFeatures_Polygon (Northland GPX) (24)
  • Volcanic cover (25)
  • Karikari Plutonics (eMi felsic intrusive) (26)
  • Felsic to intermediate extrusives (by stratigraphic age) (27)
  • Felsic to intermediate extrusives (by main rock type) (28)

Description:

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Units: esriMeters

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Document Info:

Title: Epithermal Gold
Author:
Comments:
Subject:
Category:
Keywords: Geology,New Zealand,Gold,Epithermal,Minerals,Critical Minerals
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