Lode country assume silllike - similar silllike , and the next big anastigmatic , ground and west branch river set strench are consistent . it suffer the gravel silica rock , arena silica control . a handful of lode country or main lode country byway little orebody assume vein , or have the characteristic of balk reappear , compound of branch . these manifest the obvious characteristic of ore construct control 礦體以層?似層狀產(chǎn)出為主,其次為大的透鏡狀,地表延伸與西岔河組地層一致。受礫屑硅質(zhì)巖、含礫砂屑硅質(zhì)巖控制。少數(shù)礦體或主礦體旁側(cè)小礦體呈脈狀、或具尖滅再現(xiàn)、分支復(fù)合特征。