海砂礦產(chǎn)（建筑用砂）地質(zhì)勘查規(guī)范（dd2012-10）

1、中國地質(zhì)調(diào)查局地質(zhì)調(diào)查技術(shù)標(biāo)準(zhǔn)DD201DD2012－1010海砂（建筑用砂）地質(zhì)勘查規(guī)范中國地質(zhì)調(diào)查局中國地質(zhì)調(diào)查局20201212年4月XXTXXXXX—XXXXI目次前言...............................................................................III1范圍...............................................

2、...............................12規(guī)范性引用文件....................................................................13術(shù)語和定義........................................................................14勘查目的和任務(wù)........................

3、............................................24.1勘查目的......................................................................24.2勘查任務(wù)......................................................................25海砂勘查工作............

4、..........................................................25.1海砂勘查內(nèi)容..................................................................25.2海砂勘查控制程度..............................................................35.3海砂勘查階段要求

5、..............................................................45.4海砂勘查方法及質(zhì)量要求........................................................56海砂開采可行性評價...............................................................106.1可行性評估的分類

6、.............................................................106.2概略研究.....................................................................106.3預(yù)可行性研究.................................................................106.4

7、可行性研究...................................................................107海砂資源儲量分類及類型條件......................................................107.1海砂資源儲量分類............................................................107.2

8、海砂資源儲量類型條件........................................................118海砂資源儲量估算................................................................118.1工業(yè)指標(biāo).....................................................................1

9、18.2海砂資源儲量估算的一般原則..................................................128.3海砂資源儲量估算參數(shù)的確定..................................................128.4海砂礦體圈定與外推...........................................................138.5海砂資源儲量估

10、算方法........................................................138.6海砂資源儲量估算主要圖件....................................................13附錄A（規(guī)范性附錄）部分砂礦儲量規(guī)模劃分標(biāo)準(zhǔn)及品位要求.............................14附錄B（資料性附錄）海砂勘查測網(wǎng)表...............

11、..................................15附錄C（規(guī)范性附錄）可行性評價工作.................................................16附錄D（規(guī)范性附錄）海砂礦產(chǎn)資源儲量分類表........................................18附錄E（資料性附錄）海砂勘查工作綜合表..................................