210 Ilillebrand — Vanadium and Molybdt nam in Bocks. 



SiO,. 



No. Name and locality of occurrence. 



5. Gabbro, Adirondack region. N\ York 45 



6. Plagioclase basalt, Uvalde Co., Texas 4f> 



7. Amphibole gabbro, Alpine Co., Calif 46 



8. Plagioclase gneiss. Amador Co , Calif 46'5 



9. Diorite, Mitchell Co.. N. Carolina 41 



10. Porphyry, La Plata Co.. Colorado 47 



11. Amplnbole gabbro, Tuolumne Co., Calif 47 



12. Orthoclase-bearing basalt. Uvalde Co., Texas 48? 



13. Orthoclase-bearing basalt, Uvalde Co, Texas ... 48 



14. Nonte, Cecil Co., Maryland 48 



15. Gabbro, Union Co., Tennessee ._ 48 



1G. Gabbro, Douglas Isld., Alaska 48 



17. Nepheline basanite, Colfax Co.. N. Mexico 48*5 



18. Olivine basalt, Kruzoff Isld., Alaska 49-5 



19. Diabase, Mt. Ascutney, Vermont 49'5 



20. Phonolite, Cripple Creek, Colorado 50 



21. Syenite lamprophyre, Prowers Co., Colorado 50-5 



22. Augite-andesite porphyry, Electric Peak, Wyom- 



ing 50-5 



23. Pyroxenic gneiss, Calaveras Co., Calif 51*5 



24. Labradorite porphyrite, Michigamme iron dis- 



trict, Michigan 52'5 



25. Pyroxenite, Cecil Co., Maryland 53 



26. Orendite, Sweetwater Co., Wyoming __ 54 



27. Andesite, El Paso Co., Colorado 54? 



28. Nepheline syenite, El Paso Co., Colorado 54*5 



29. Diorite, Butte and Plumas Cos.. Calif. 54*5 



30. Quartz diorite, Cecil Co , Maryland 55 



31. Diorite, La Plata Co., Colorado _. 555 



32. Camptonite ? San Miguel Co., Colorado 55-5 



33. Phonolite, Colfax Co, N. Mexico 56 



34. Augite-bronzite andesite, Unga Isld., Alaska... 5C'5 



35. Andesite, El Paso Co., Colorado . 57 ? 



36. Spilosite, Michigamme iron district, Michigan . . 58 



37. Hornblende granite, Cecil Co., Maryland 58-5 



38. Latite, Tintic district, Utah 60 



39. Monzonite, Tintic district, Utah.. 60 



40. Diorite porphyry, La Plata Mts., Colorado 60'5 



41. Trachyte-andesite tuff, Tuolumne Co., Calif. 62*5 



42. Diorite, Douglas Isld., Alaska 63 



43. Rhyolite, San Miguel Co.. Colorado 64-5 



44. Syenite, Mt. Ascutney, Vermont.. 65*5 



45. Quartz-mica diorite. Tuolumne Co.. Calif _. 65-5 



46. Quartz monzonite, Calaveras Co., Calif. 67 



47. Rhyolite, Tintic district, Utah 69 



48. Quartz diorite. Amador Co., Calif 69 5 



49. Trachyte, Highland Co., Virginia .... 69-5 



50. Biotite granite, Amador Co., Calif 70*5 



5 1 . Rhyolite, Crater Lake, Oregon 71 



52. Monzonite (altered), Tintic district, Utah 71 



53. Rhyolite quartz-porphyry, Tintic district, Utah. 71*5 



54. Rock between rhyolite and dacite. Sutter Co., 



Calif. 71-5 



55. Syenite porphyry, Mt. Ascutney, Vermont 73 



56. Granite porphyry, Mt. Ascutney, Vermont 73 - 5 



57. Granite, Union Co., Tennessee 76*5 



* Approximate. 



V a O B = V 9 0, Mo 



•02 



•017 





•048 



•04 





■046 



■038 



none 



■033 



•02 7 





•05 



•0 1 2 





•06* 



•05* 





■024 



02 



none 



•048 



•04 





•02 



•0 17 





•023 



■019 





•038 



•032 





•055 



■046 



none 



•044 



■031 





•054 



-045 



none 



•034 



•028 





033 



•027 





•04 



033 





•045 



•038 





•10 



083 



none 



•048 



•04 





•04 



•034 



none 



•022 



•018 





•018 



015 



tr.? 



•023 



•018 



tr.? 



037 



•031 



none 



043 



036 



none 



•038 



•032 





j lost, but 





( considerable 





tr. 



tr. 





•046 



038 



none 



•025 



021 



tr.? 



•03 



025 



none 



•022 



018 



none 



•007 



•006 



none 



•024 



•02 



tr. 



•02 



•017 





•017 



014 





•012* 



01* 



none 



•004 



003 



tr. 



tr.? 



tr.? 





•013 



Oil 



tr. 



•014 



012 



none 



•009 



008 



tr. 



005 



004 



tr. 



tr.? 



tr.? 





tr. 



tr. 



tr. 



•004 



003 



ft. tr. 



•021 



017 



none 



•016 



013 



none 



tr. 



tr. 





none none 





none none 





