td><span class=s><span class=n>(GeologicalContextEarliestEraOrLowestErathem)</span></span></td></tr>
<tr>
<td>EarliestPeriodOrLowestSystem</td>
<td class=c title=' _ = Flattened'>string_</td>
<td><span class=s><span class=n>(GeologicalContextEarliestPeriodOrLowestSystem)</span></span></td></tr>
<tr class=b>
<td>GeologicalContextFormation</td>
<td class=c title=' _ = Flattened'>string_</td>
<td>&nbsp;</td></tr>
<tr>
<td>GeologicalContextID</td>
<td class=c title=' _ = Flattened'>string_</td>
<td><span class=