Traverses over known mineral deposits

The Meishan iron ore deposit, a large porphyritic iron deposit that is located in the northern flank of the faulted Ning-Wu basin, occurs in the crushed boundary between 

The Funiushan copper deposit is a skam deposit on the inverted northern limb of the western Tang-Lun anticline. It occurs within the contact zone of a quartz diorite and comprises chalcopyrite, subordinate pyrite and sphalerite, as well as minor amounts of magnetite and martite. The ore body lies beneath sedimentary formations and 20-30 m of eluvium and alluvium. Thermally-released Hg was determined along three soil traverses. As the traverse illustrated in Fig. 13-4 shows, the Hg, pattern picks out the mineralisation better than the Hg, pattern. The shape of the Hg, anomaly is characterized by twin peaks over the margins of the ore body. A large thrust fault seems to have a role in anomaly development. 

The Tongshan lindgrenite skam deposit lies on the northern margin of the Ning-Zheng Dome folded zone. The ore bodies are fault-controlled along the contact between 

Comprising mainly magnetite, sphalerite, galena and a little chalcopyrite, the Xiaomaoshan polymetallic skam deposit occurs at the contact of porphyritic granite and limestone, at a depth of 110 m. The surface of the area is covered by exotic overburden, on which rice is cultivated. Soil samples taken at 20 m intervals along a traverse yielded twin peaks of Hg, above the hangingwall and footwall contacts of the mineralisation (Fig. 13-7). 

The Shanbaidu polymetallic deposit comprises genetically related but spatially separate iron and lead-zinc skam deposits in the contact zone of quartz-diorite and limestone. The ore minerals are mainly magnetite, hematite, galena and sphalerite. The ore bodies are found at depths of 5-40 m, and the surface of the area is covered by 5-15 m of transported exotic overburden. Thermally-released Hg, data from samples collected at depths of 30, 60 and 80 cm in the soil along a traverse crossing both ore deposits are shown in Fig. 13-9. In the samples from 60 and 80 cm, clear anomalies mark the positions of the mineralisation. In the samples from 30 cm, however, the background is 

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