div class=ts-pagebuttonPage 1button div class=ts-image amp-img class=ts-thumb alt=Page 1: Columbia CollegetolhurstjfacultygocolumbiaeduESGISEarth_ScienceESCblack sands but other heavy minerals such as cassiterite monazite ilmenite chromite platinum-group metals src=https:reader034vdocumentinreader034viewer20220501135f4a3305490ba12b967c42fahtml5thumbnails1jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 2button div class=ts-image amp-img class=ts-thumb alt=Page 2: Columbia CollegetolhurstjfacultygocolumbiaeduESGISEarth_ScienceESCblack sands but other heavy minerals such as cassiterite monazite ilmenite chromite platinum-group metals src=https:reader034vdocumentinreader034viewer20220501135f4a3305490ba12b967c42fahtml5thumbnails2jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 3button div class=ts-image amp-img class=ts-thumb alt=Page 3: Columbia CollegetolhurstjfacultygocolumbiaeduESGISEarth_ScienceESCblack sands but other heavy minerals such as cassiterite monazite ilmenite chromite platinum-group metals src=https:reader034vdocumentinreader034viewer20220501135f4a3305490ba12b967c42fahtml5thumbnails3jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 4button div class=ts-image amp-img class=ts-thumb alt=Page 4: Columbia CollegetolhurstjfacultygocolumbiaeduESGISEarth_ScienceESCblack sands but other heavy minerals such as cassiterite monazite ilmenite chromite platinum-group metals src=https:reader034vdocumentinreader034viewer20220501135f4a3305490ba12b967c42fahtml5thumbnails4jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 5button div class=ts-image amp-img class=ts-thumb alt=Page 5: Columbia CollegetolhurstjfacultygocolumbiaeduESGISEarth_ScienceESCblack sands but other heavy minerals such as cassiterite monazite ilmenite chromite platinum-group metals src=https:reader034vdocumentinreader034viewer20220501135f4a3305490ba12b967c42fahtml5thumbnails5jpg width=142 height=106 layout=responsive amp-img divdiv