25 results on '"Twelker, Evan"'
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2. 40AR/39AR GEOCHRONOLOGY DATA FROM THE TANACROSS AND EAGLE QUADRANGLES, ALASKA.
3. U-PB ZIRCON GEOCHRONOLOGY OF BEDROCK SAMPLES COLLECTED IN THE EAGLE AND TANACROSS QUADRANGLES, EASTERN ALASKA.
4. GEOCHEMICAL DATA FROM SAMPLES COLLECTED IN 2022 FOR THE MOUNT HARPER GEOLOGIC MAPPING PROJECT, BIG DELTA, MOUNT HAYES, AND EAGLE QUADRANGLES, ALASKA.
5. FIELD STATION LOCATIONS AND MAGNETIC SUSCEPTIBILITY DATA COLLECTED IN 2022 FOR THE MOUNT HARPER PROJECT, EAGLE, BIG DELTA, AND MOUNT HAYES QUADRANGLES, ALASKA.
6. BEDROCK GEOLOGIC MAP OF THE EASTERN MORAN AREA, TANANA B-6 AND C-6 QUADRANGLES, ALASKA.
7. PRELIMINARY BEDROCK GEOLOGIC MAP DATABASE, NORTHEASTERN RICHARDSON MINING DISTRICT, ALASKA.
8. U-PB DETRITAL ZIRCON GEOCHRONOLOGY OF CRETACEOUS-CENOZOIC SEDIMENTAY ROCKS IN THE LADUE RIVER MOUNT FAIRPLAY AREA, ALASKA.
9. GEOCHEMICAL DATA FROM SAMPLES COLLECTED IN 2020 AND 2021 FOR THE WESTERN TANACROSS PROJECT, TANACROSS QUADRANGLE, ALASKA.
10. GEOCHEMICAL DATA FROM SAMPLES COLLECTED IN 2021 FOR THE TAYLOR MOUNTAIN PROJECT, TANACROSS AND EAGLE QUADRANGLES, ALASKA.
11. U-PB ZIRCON DATA AND AGES FOR BEDROCK SAMPLES FROM THE RICHARDSON MINING DISTRICT, BIG DELTA QUADRANGLE, ALASKA.
12. 40AR/39AR DATA FROM THE TANACROSS D-1 AND PARTS OF THE D-2, C-1, AND C-2 QUADRANGLES, ALASKA.
13. U-PB GEOCHRONOLOGY OF IGNEOUS AND DETRITAL ZIRCON SAMPLES FROM THE TOK RIVER AREA, EASTERN ALASKA RANGE, AND TALKEETNA MOUNTAINS, ALASKA.
14. ALASKA'S MINERAL INDUSTRY 2020.
15. EXPLANATION OF MAP UNITS: NORTHEASTERN TANACROSS GEOLOGIC MAP, TANACROSS D-1, D-2, C-1, AND C-2 QUADRANGLES, ALASKA.
16. MAJOR-OXIDE AND TRACE-ELEMENT GEOCHEMICAL DATA FROM ROCKS COLLECTED IN 2019 FOR THE EASTERN TANACROSS PROJECT, TANACROSS AND PART OF NABESNA QUADRANGLES, ALASKA.
17. MAJOR-OXIDE AND TRACE-ELEMENT GEOCHEMICAL DATA FROM ROCKS COLLECTED IN THE TOK RIVER AREA, TANACROSS A-5 AND A-6 QUADRANGLES, ALASKA IN 2016.
18. FIELD STATION LOCATIONS AND MAGNETIC SUSCEPTIBILITY DATA COLLECTED IN 2020-2021 FOR THE WESTERN TANACROSS PROJECT, TANACROSS AND EAGLE QUADRANGLES, ALASKA.
19. FIELD STATION LOCATIONS AND MAGNETIC SUSCEPTIBILITY DATA COLLECTED IN 2021 FOR THE TAYLOR MOUNTAINPROJECT, TANACROSS AND EAGLE QUADRANGLES, ALASKA.
20. PRELIMINARY REPORT ON MINERAL OCCURRENCES IN THE TOK RIVER AREA, ALASKA.
21. Alaska's Mineral Industry 2015.
22. 40AR/39AR DATA FROM ROCKS COLLECTED IN 2013 IN THE WRANGELLIA MINERAL ASSESSMENT AREA, GULKANA, HEALY, MOUNT HAYES, AND TALKEETNA MOUNTAINS QUADRANGLES, ALASKA.
23. MAJOR-OXIDE, MINOR-OXIDE, AND TRACE-ELEMENT GEOCHEMICAL DATA FROM ROCKS AND STREAM SEDIMENTS IN THE WRANGELLIA MINERAL ASSESSMENT AREA, GULKANA, HEALY, MOUNT HAYES, AND TALKEETNA MOUNTAINS QUADRANGLES, ALASKA.
24. FIELD STATION LOCATIONS AND MAGNETIC SUSCEPTIBILITY DATA COLLECTED IN 2019 FOR THE EASTERN TANACROSS PROJECT, TANACROSS AND NABESNA QUADRANGLES, ALASKA.
25. Cretaceous to Tertiary magmatism and associated mineralization in the Lime Hills C-1 Quadrangle, Western Alaska Range.
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