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AliquotXMLSchema.xsd
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389 lines (358 loc) · 22.1 KB
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<?xml version="1.0" encoding="utf-8"?>
<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema"
targetNamespace="https://raw.githubusercontent.com/EARTHTIME/Schema"
xmlns="https://raw.githubusercontent.com/EARTHTIME/Schema"
elementFormDefault="qualified">
<xs:annotation>
<xs:documentation xml:lang="en">
This schema defines the contents of an Aliquot
for the EARTHTIME / EarthChem project. The XML files published
against this schema are produced by U-Pb_Redux.
Copyright 2006-2016 James F. Bowring and EARTHTIME.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
Author: James F. Bowring[smtp:bowring@gmail.com]
Created: 1.August.2007
Revised: 1.January.2008
Revised: 5.April.2009
Revised: 24.October.2010
Revised: 31.October.2010
Revised: 5.November.2010
Revised: 16.April.2012
Revised: 30.June.2012
Revised: 23.December.2015
</xs:documentation>
</xs:annotation>
<xs:include schemaLocation="https://raw.githubusercontent.com/EARTHTIME/Schema/master/TracerXMLSchema.xsd"/>
<xs:include schemaLocation="https://raw.githubusercontent.com/EARTHTIME/Schema/master/TracerUPbModelXMLSchema.xsd"/>
<xs:include schemaLocation="https://raw.githubusercontent.com/EARTHTIME/Schema/master/MineralStandardModelXMLSchema.xsd"/>
<xs:include schemaLocation="https://raw.githubusercontent.com/EARTHTIME/Schema/master/MineralStandardUPbModelXMLSchema.xsd"/>
<xs:include schemaLocation="https://raw.githubusercontent.com/EARTHTIME/Schema/master/PbBlankXMLSchema.xsd"/>
<xs:include schemaLocation="https://raw.githubusercontent.com/EARTHTIME/Schema/master/PbBlankICModelXMLSchema.xsd"/>
<xs:include schemaLocation="https://raw.githubusercontent.com/EARTHTIME/Schema/master/AnalysisFractionXMLSchema.xsd"/>
<xs:include schemaLocation="https://raw.githubusercontent.com/EARTHTIME/Schema/master/PhysicalConstantsXMLSchema.xsd"/>
<xs:include schemaLocation="https://raw.githubusercontent.com/EARTHTIME/Schema/master/PhysicalConstantsModelXMLSchema.xsd"/>
<xs:include schemaLocation="https://raw.githubusercontent.com/EARTHTIME/Schema/master/AnalysisImageXMLSchema.xsd"/>
<xs:annotation>
<xs:documentation xml:lang="en">
An Aliquot is an experiment using one or several fractions (analysis).
Both sampleIGSN and aliquotIGSN refer to the SESAR database (not functional as of Feb 2008)
The aliquotName, laboratoryName, analystName, aliquotComment, and aliquotReference
are all supplied by the analyst using U-Pb_Redux.
</xs:documentation>
</xs:annotation>
<xs:element name="Aliquot">
<xs:complexType>
<xs:sequence>
<!-- nov 2010-->
<xs:element name="keyWordsCSV" type="xs:string" minOccurs="0"/>
<!-- oct 2010-->
<xs:element name="mySESARSampleMetadata" type="SESARSampleMetadata" minOccurs="0"/>
<!-- oct 2010-->
<xs:element name="analysisPurpose" type="AnalysisPurpose" minOccurs="0"/>
<xs:element name="sampleIGSN" type="xs:string"/>
<!-- deprecated april 2011-->
<xs:element name="aliquotIGSN" type="xs:string" minOccurs="0"/>
<xs:element name="aliquotName" type="xs:string"/>
<xs:element name="laboratoryName" type="xs:string"/>
<xs:element name="analystName" type="xs:string"/>
<xs:element name="aliquotComment" type="xs:string"/>
<xs:element name="aliquotReference" type="xs:string"/>
<xs:element name="aliquotInstrumentalMethod" type="AliquotInstrumentalMethodName"/>
<xs:element name="aliquotInstrumentalMethodReference" type="xs:string"/>
<xs:element name="calibrationUnct206-238" type="xs:decimal"/>
<xs:element name="calibrationUnct208-232" type="xs:decimal"/>
<xs:element name="calibrationUnct207-206" type="xs:decimal"/>
<!-- nov 2010-->
<xs:element name="analysisImages" minOccurs="0">
<xs:complexType>
<xs:sequence>
<xs:element ref="AnalysisImage" minOccurs="0" maxOccurs="unbounded">
</xs:element>
</xs:sequence>
</xs:complexType>
</xs:element>
<xs:element name="mineralStandardModels">
<xs:complexType>
<xs:sequence>
<xs:element name="MineralStandardModel" type="MineralStandardModel" minOccurs="0" maxOccurs="unbounded"/>
<xs:element name ="MineralStandardUPbModel" type="MineralStandardUPbModel" minOccurs="0" maxOccurs="unbounded"/>
</xs:sequence>
</xs:complexType>
</xs:element>
<xs:element name="sampleDateModels">
<xs:complexType>
<xs:sequence maxOccurs="unbounded">
<xs:element name="SampleDateModel" type="SampleDateModel" minOccurs="0" maxOccurs="unbounded">
</xs:element>
<xs:element name="SampleDateInterceptModel" type="SampleDateModel" minOccurs="0" maxOccurs="unbounded">
</xs:element>
</xs:sequence>
</xs:complexType>
</xs:element>
<xs:element name="pbBlanks">
<xs:complexType>
<xs:sequence>
<xs:element ref="PbBlank" minOccurs="0" maxOccurs="unbounded">
</xs:element>
<xs:element ref="PbBlankICModel" minOccurs="0" maxOccurs="unbounded">
</xs:element>
</xs:sequence>
</xs:complexType>
</xs:element>
<xs:element name="tracers">
<xs:complexType>
<xs:sequence>
<xs:element ref="Tracer" minOccurs="0" maxOccurs="unbounded">
</xs:element>
<xs:element ref="TracerUPbModel" minOccurs="0" maxOccurs="unbounded">
</xs:element>
</xs:sequence>
</xs:complexType>
</xs:element>
<xs:element name="alphaPbModels">
<xs:complexType>
<xs:sequence>
<xs:element ref="ValueModel" minOccurs="0" maxOccurs="unbounded">
</xs:element>
</xs:sequence>
</xs:complexType>
</xs:element>
<xs:element name="alphaUModels">
<xs:complexType>
<xs:sequence>
<xs:element ref="ValueModel" minOccurs="0" maxOccurs="unbounded">
</xs:element>
</xs:sequence>
</xs:complexType>
</xs:element>
<xs:element name="analysisFractions">
<xs:complexType>
<xs:sequence>
<xs:element ref="AnalysisFraction" minOccurs="0" maxOccurs="unbounded">
</xs:element>
</xs:sequence>
</xs:complexType>
</xs:element>
<xs:element name="physicalConstantsModel" type="PhysicalConstants" minOccurs="0" maxOccurs="1"/>
<xs:element name="physicalConstantsModelII" type="PhysicalConstantsModel" minOccurs="0" maxOccurs="1"/>
</xs:sequence>
</xs:complexType>
</xs:element>
<xs:simpleType name="AliquotInstrumentalMethodName">
<xs:restriction base="xs:string">
<xs:enumeration value="ID-TIMS"/>
<xs:enumeration value="SHRIMP Ion Probe"/>
<xs:enumeration value="Cameca Ion Probe"/>
<xs:enumeration value="Quad ICPMS"/>
<xs:enumeration value="HR-ICPMS"/>
<xs:enumeration value="MC-ICPMS"/>
</xs:restriction>
</xs:simpleType>
<xs:simpleType name="AnalysisPurpose">
<xs:restriction base="xs:string">
<xs:enumeration value="NONE"/>
<xs:enumeration value="DetritalSpectrum"/>
<xs:enumeration value="SingleAge"/>
<xs:enumeration value="Cooling"/>
<xs:enumeration value="TimeScaleCalibration"/>
</xs:restriction>
</xs:simpleType>
<xs:complexType name="SESARSampleMetadata">
<xs:sequence>
<xs:element name="stratigraphicFormationName" type="xs:string" minOccurs="0"/>
<xs:element name="stratigraphicGeologicAgeMa" type="GeologicAge" minOccurs="0"/>
<xs:element name="stratigraphicMinAbsoluteAgeMa" type="xs:double" minOccurs="0"/>
<xs:element name="stratigraphicMaxAbsoluteAgeMa" type="xs:double" minOccurs="0"/>
<xs:element name="detritalType" type="DetritalType" minOccurs="0"/>
</xs:sequence>
</xs:complexType>
<xs:simpleType name="GeologicAge">
<xs:restriction base="xs:string">
<xs:enumeration value="NONE ( 0 Ma - 0 Ma )"/>
<xs:enumeration value="CENOZOIC ( 0 Ma - 65.5 Ma )"/>
<xs:enumeration value="QUATERNARY ( 0 Ma - 2.6 Ma )"/>
<xs:enumeration value="HOLOCENE ( 0 Ma - 0.01 Ma )"/>
<xs:enumeration value="PLEISTOCENE ( 0.01 Ma - 2.6 Ma )"/>
<xs:enumeration value="CALABRIAN ( 0.01 Ma - 1.8 Ma )"/>
<xs:enumeration value="GELASIAN ( 1.8 Ma - 2.6 Ma )"/>
<xs:enumeration value="TERTIARY ( 2.6 Ma - 65.5 Ma )"/>
<xs:enumeration value="NEOGENE ( 2.6 Ma - 23 Ma )"/>
<xs:enumeration value="PLIOCENE ( 2.6 Ma - 5.3 Ma )"/>
<xs:enumeration value="PIACENZIAN ( 2.6 Ma - 3.6 Ma )"/>
<xs:enumeration value="ZANCLEAN ( 3.6 Ma - 5.3 Ma )"/>
<xs:enumeration value="MIOCENE ( 5.3 Ma - 23 Ma )"/>
<xs:enumeration value="MESSINIAN ( 5.3 Ma - 7.2 Ma )"/>
<xs:enumeration value="TORTONIAN ( 7.3 Ma - 11.6 Ma )"/>
<xs:enumeration value="SERRAVALLIAN ( 11.6 Ma - 13.8 Ma )"/>
<xs:enumeration value="LANGHIAN ( 13.8 Ma - 16 Ma )"/>
<xs:enumeration value="BURDIGALIAN ( 16 Ma - 20.4 Ma )"/>
<xs:enumeration value="AQUITANIAN ( 20.4 Ma - 23 Ma )"/>
<xs:enumeration value="OLIGOCENE ( 23 Ma - 33.9 Ma )"/>
<xs:enumeration value="CHATTIAN ( 23 Ma - 28.4 Ma )"/>
<xs:enumeration value="RUPELIAN ( 28.4 Ma - 33.9 Ma )"/>
<xs:enumeration value="EOCENE ( 33.9 Ma - 55.8 Ma )"/>
<xs:enumeration value="PRIABONIAN ( 33.9 Ma - 37.2 Ma )"/>
<xs:enumeration value="BARTONIAN ( 37.2 Ma - 40.4 Ma )"/>
<xs:enumeration value="LUTETIAN ( 40.4 Ma - 48.6 Ma )"/>
<xs:enumeration value="YPRESIAN ( 48.6 Ma - 55.8 Ma )"/>
<xs:enumeration value="PALEOCENE ( 55.8 Ma - 65.5 Ma )"/>
<xs:enumeration value="THANETIAN ( 55.8 Ma - 58.7 Ma )"/>
<xs:enumeration value="SELANDIAN ( 58.7 Ma - 61.7 Ma )"/>
<xs:enumeration value="DANIAN ( 61.7 Ma - 65.5 Ma )"/>
<xs:enumeration value="MESOZOIC ( 65.5 Ma - 251 Ma )"/>
<xs:enumeration value="CRETACEOUS ( 65.5 Ma - 145.5 Ma )"/>
<xs:enumeration value="LATE CRETACEOUS ( 65.5 Ma - 99.6 Ma )"/>
<xs:enumeration value="MAASTRICHTIAN ( 65.5 Ma - 70.6 Ma )"/>
<xs:enumeration value="CAMPANIAN ( 70.6 Ma - 83.5 Ma )"/>
<xs:enumeration value="SANTONIAN ( 83.5 Ma - 85.8 Ma )"/>
<xs:enumeration value="CONIACIAN ( 85.8 Ma - 89.3 Ma )"/>
<xs:enumeration value="TURONIAN ( 89.3 Ma - 93.5 Ma )"/>
<xs:enumeration value="CENOMANIAN ( 93.5 Ma - 99.6 Ma )"/>
<xs:enumeration value="EARLY CRETACIOUS ( 99.6 Ma - 145.5 Ma )"/>
<xs:enumeration value="ALBIAN ( 99.6 Ma - 112 Ma )"/>
<xs:enumeration value="APTIAN ( 112 Ma - 125 Ma )"/>
<xs:enumeration value="BARREMIAN ( 125 Ma - 130 Ma )"/>
<xs:enumeration value="HAUTERIVIAN ( 130 Ma - 136 Ma )"/>
<xs:enumeration value="VALANGINIAN ( 136 Ma - 140 Ma )"/>
<xs:enumeration value="BERRIASIAN ( 140 Ma - 145.5 Ma )"/>
<xs:enumeration value="JURASSIC ( 145.5 Ma - 201.6 Ma )"/>
<xs:enumeration value="LATE JURASSIC ( 145.5 Ma - 161 Ma )"/>
<xs:enumeration value="TITHONIAN ( 145.5 Ma - 151 Ma )"/>
<xs:enumeration value="KIMMERIDGIAN ( 151 Ma - 156 Ma )"/>
<xs:enumeration value="OXFORDIAN ( 156 Ma - 161 Ma )"/>
<xs:enumeration value="MIDDLE JURASSIC ( 161 Ma - 176 Ma )"/>
<xs:enumeration value="CALLOVIAN ( 161 Ma - 165 Ma )"/>
<xs:enumeration value="BATHONIAN ( 165 Ma - 168 Ma )"/>
<xs:enumeration value="BAJOCIAN ( 168 Ma - 172 Ma )"/>
<xs:enumeration value="AALENIAN ( 172 Ma - 176 Ma )"/>
<xs:enumeration value="EARLY JURASSIC ( 176 Ma - 201.6 Ma )"/>
<xs:enumeration value="TOARCIAN ( 176 Ma - 183 Ma )"/>
<xs:enumeration value="PLIENSBACHIAN ( 183 Ma - 190 Ma )"/>
<xs:enumeration value="SINEMURIAN ( 190 Ma - 197 Ma )"/>
<xs:enumeration value="HETTANGIAN ( 197 Ma - 201.6 Ma )"/>
<xs:enumeration value="TRIASSIC ( 201.6 Ma - 251 Ma )"/>
<xs:enumeration value="LATE TRIASSIC ( 201.6 Ma - 235 Ma )"/>
<xs:enumeration value="RHAETIAN ( 201.6 Ma - 204 Ma )"/>
<xs:enumeration value="NORIAN ( 204 Ma - 228 Ma )"/>
<xs:enumeration value="CARNIAN ( 228 Ma - 235 Ma )"/>
<xs:enumeration value="MIDDLE TRIASSIC ( 235 Ma - 245 Ma )"/>
<xs:enumeration value="LADINIAN ( 235 Ma - 241 Ma )"/>
<xs:enumeration value="ANISIAN ( 241 Ma - 245 Ma )"/>
<xs:enumeration value="EARLY TRIASSIC ( 245 Ma - 251 Ma )"/>
<xs:enumeration value="OLENEKIAN ( 245 Ma - 250 Ma )"/>
<xs:enumeration value="INDUAN ( 250 Ma - 251 Ma )"/>
<xs:enumeration value="PALEOZOIC ( 251 Ma - 542 Ma )"/>
<xs:enumeration value="PERMIAN ( 251 Ma - 299 Ma )"/>
<xs:enumeration value="LATE PERMIAN ( 251 Ma - 260 Ma )"/>
<xs:enumeration value="CHANGHSINGIAN ( 251 Ma - 254 Ma )"/>
<xs:enumeration value="WUCHIAPINGIAN ( 254 Ma - 260 Ma )"/>
<xs:enumeration value="MIDLE PERMIAN ( 260 Ma - 271 Ma )"/>
<xs:enumeration value="CAPITANIAN ( 260 Ma - 266 Ma )"/>
<xs:enumeration value="WORDIAN ( 266 Ma - 268 Ma )"/>
<xs:enumeration value="ROADIAN ( 268 Ma - 271 Ma )"/>
<xs:enumeration value="EARLY PERMIAN ( 271 Ma - 299 Ma )"/>
<xs:enumeration value="KUNGURIAN ( 271 Ma - 276 Ma )"/>
<xs:enumeration value="ARTINSKIAN ( 276 Ma - 284 Ma )"/>
<xs:enumeration value="SAKMARIAN ( 284 Ma - 297 Ma )"/>
<xs:enumeration value="ASSELIAN ( 297 Ma - 299 Ma )"/>
<xs:enumeration value="CARBONIFEROUS ( 299 Ma - 359 Ma )"/>
<xs:enumeration value="PENNSYLVANIAN ( 299 Ma - 318 Ma )"/>
<xs:enumeration value="GZELIAN ( 299 Ma - 304 Ma )"/>
<xs:enumeration value="KASIMOVIAN ( 304 Ma - 306 Ma )"/>
<xs:enumeration value="MOSCOVIAN ( 306 Ma - 312 Ma )"/>
<xs:enumeration value="BASHKIRIAN ( 312 Ma - 318 Ma )"/>
<xs:enumeration value="MISSISSIPPIAN ( 318 Ma - 359 Ma )"/>
<xs:enumeration value="SERPUKHOVIAN ( 318 Ma - 326 Ma )"/>
<xs:enumeration value="VISEAN ( 326 Ma - 345 Ma )"/>
<xs:enumeration value="TOURNAISIAN ( 345 Ma - 359 Ma )"/>
<xs:enumeration value="DEVONIAN ( 359 Ma - 416 Ma )"/>
<xs:enumeration value="LATE DEVONIAN ( 359 Ma - 385 Ma )"/>
<xs:enumeration value="FAMENNIAN ( 359 Ma - 374 Ma )"/>
<xs:enumeration value="FRASNIAN ( 374 Ma - 385 Ma )"/>
<xs:enumeration value="MIDDLE DEVONIAN ( 385 Ma - 398 Ma )"/>
<xs:enumeration value="GIVETIAN ( 385 Ma - 392 Ma )"/>
<xs:enumeration value="EIFELIAN ( 392 Ma - 398 Ma )"/>
<xs:enumeration value="EARLY DEVONIAN ( 398 Ma - 416 Ma )"/>
<xs:enumeration value="EMSIAN ( 398 Ma - 407 Ma )"/>
<xs:enumeration value="PRAGHIAN ( 407 Ma - 411 Ma )"/>
<xs:enumeration value="LOCKHOVIAN ( 411 Ma - 416 Ma )"/>
<xs:enumeration value="SILURIAN ( 416 Ma - 444 Ma )"/>
<xs:enumeration value="LATE SILURIAN ( 416 Ma - 423 Ma )"/>
<xs:enumeration value="PRIDOLIAN ( 416 Ma - 419 Ma )"/>
<xs:enumeration value="LUDFORDIAN ( 419 Ma - 421 Ma )"/>
<xs:enumeration value="GORSTIAN ( 421 Ma - 423 Ma )"/>
<xs:enumeration value="MIDDLE SILURIAN ( 423 Ma - 428 Ma )"/>
<xs:enumeration value="HOMERIAN ( 423 Ma - 426 Ma )"/>
<xs:enumeration value="SHEINWOODIAN ( 426 Ma - 428 Ma )"/>
<xs:enumeration value="EARLY SILURIAN ( 428 Ma - 444 Ma )"/>
<xs:enumeration value="TELYCHIAN ( 428 Ma - 436 Ma )"/>
<xs:enumeration value="AERONIAN ( 436 Ma - 439 Ma )"/>
<xs:enumeration value="RHUDDANIAN ( 439 Ma - 444 Ma )"/>
<xs:enumeration value="ORDOVICIAN ( 444 Ma - 488 Ma )"/>
<xs:enumeration value="LATE ORDOVICIAN ( 444 Ma - 461 Ma )"/>
<xs:enumeration value="HIRNANTIAN ( 444 Ma - 446 Ma )"/>
<xs:enumeration value="KATIAN ( 446 Ma - 455 Ma )"/>
<xs:enumeration value="SANDBIAN ( 455 Ma - 461 Ma )"/>
<xs:enumeration value="MIDDLE ORDOVICIAN ( 461 Ma - 472 Ma )"/>
<xs:enumeration value="DARRIWILIAN ( 461 Ma - 468 Ma )"/>
<xs:enumeration value="DAPINGIAN ( 468 Ma - 472 Ma )"/>
<xs:enumeration value="EARLY ORDOVICIAN ( 472 Ma - 488 Ma )"/>
<xs:enumeration value="FLOIAN ( 472 Ma - 479 Ma )"/>
<xs:enumeration value="TREMADOCIAN ( 479 Ma - 488 Ma )"/>
<xs:enumeration value="CAMBRIAN ( 488 Ma - 542 Ma )"/>
<xs:enumeration value="FURONGIAN ( 488 Ma - 501 Ma )"/>
<xs:enumeration value="STAGE 10 ( 488 Ma - 492 Ma )"/>
<xs:enumeration value="STAGE 9 ( 492 Ma - 496 Ma )"/>
<xs:enumeration value="PAIBIAN ( 496 Ma - 501 Ma )"/>
<xs:enumeration value="SERIES 3 ( 501 Ma - 510 Ma )"/>
<xs:enumeration value="GUZHANGIAN ( 501 Ma - 503 Ma )"/>
<xs:enumeration value="DRUMIAN ( 503 Ma - 507 Ma )"/>
<xs:enumeration value="STAGE 5 ( 507 Ma - 510 Ma )"/>
<xs:enumeration value="SERIES 2 ( 510 Ma - 521 Ma )"/>
<xs:enumeration value="STAGE 4 ( 510 Ma - 517 Ma )"/>
<xs:enumeration value="STAGE 3 ( 517 Ma - 521 Ma )"/>
<xs:enumeration value="TERREVEUVIAN ( 521 Ma - 542 Ma )"/>
<xs:enumeration value="STAGE 2 ( 521 Ma - 535 Ma )"/>
<xs:enumeration value="FORTUNIAN ( 535 Ma - 542 Ma )"/>
<xs:enumeration value="PRECAMBRIAN ( 542 Ma - 3850 Ma )"/>
<xs:enumeration value="PROTEROZOIC ( 542 Ma - 1600 Ma )"/>
<xs:enumeration value="NEOPROTEROZOIC ( 542 Ma - 1000 Ma )"/>
<xs:enumeration value="EDIACARAN ( 542 Ma - 630 Ma )"/>
<xs:enumeration value="CRYOGENIAN ( 630 Ma - 850 Ma )"/>
<xs:enumeration value="TONIAN ( 850 Ma - 1000 Ma )"/>
<xs:enumeration value="MESEOPROTEROZOIC ( 1000 Ma - 1600 Ma )"/>
<xs:enumeration value="STENIAN ( 1000 Ma - 1200 Ma )"/>
<xs:enumeration value="ECTASIAN ( 1200 Ma - 1400 Ma )"/>
<xs:enumeration value="CALYMMIAN ( 1400 Ma - 1600 Ma )"/>
<xs:enumeration value="PALEOPROTEROZOIC ( 1600 Ma - 2500 Ma )"/>
<xs:enumeration value="STATHERIAN ( 1600 Ma - 1800 Ma )"/>
<xs:enumeration value="OROSIRIAN ( 1800 Ma - 2050 Ma )"/>
<xs:enumeration value="RHYACIAN ( 2050 Ma - 2300 Ma )"/>
<xs:enumeration value="SIDERIAN ( 2300 Ma - 2500 Ma )"/>
<xs:enumeration value="ARCHEAN ( 2500 Ma - 3850 Ma )"/>
<xs:enumeration value="NEOARCHEAN ( 2500 Ma - 2800 Ma )"/>
<xs:enumeration value="MESOARCHEAN ( 2800 Ma - 3200 Ma )"/>
<xs:enumeration value="PALEOARCHEAN ( 3200 Ma - 3600 Ma )"/>
<xs:enumeration value="EOARCHEAN ( 3600 Ma - 3850 Ma )"/>
<xs:enumeration value="HADEAN ( 3850 Ma - 4700 Ma )"/>
</xs:restriction>
</xs:simpleType>
<xs:simpleType name="DetritalType">
<xs:restriction base="xs:string">
<xs:enumeration value="NONE"/>
<xs:enumeration value="carbonate"/>
<xs:enumeration value="conglomerate"/>
<xs:enumeration value="mudstone"/>
<xs:enumeration value="sandstone"/>
<xs:enumeration value="siltstone"/>
</xs:restriction>
</xs:simpleType>
</xs:schema>