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Cluster of euhedral olivine phenocrysts. Makaopuhi Lava Lake, Hawaii. n.d. The area shown in each slide is approximately 0.9 x 1.2 mm. Olivine phenocrysts are as much as 2 mm in longest dimension, but average close to 0.5 mm. Clinopyroxene crystals are small and equant, rarely exceeding 0.1 mm in length and close to 0.01 mm in their short dimension. Slide 1 shows a cluster of euhedral olivine phenocrysts in a matrix of light brown glass sprinkled with tiny equant pyroxene crystals and a few crystals of plagioclase, which has just begun to crystallize. A flat plate of newly formed plagioclase is seen in one corner of the slide. Published as Slide 1 in U.S. Geological Survey publication titled, Crystallization of basalt in Makaopuhi lava lake, Hawaii: descriptive material to accompany... Categories: Image; Tags: Makaopuhi Lava Lake, Hawaii, Photographers, Wright, T.L. Collection, color transparency An interlocking network of pyroxene, plagioclase, and opaque minerals. Makaopuhi Lava Lake, Hawaii. n.d. The area shown in each slide is approximately 0.9 x 1.2 mm. Olivine phenocrysts are as much as 2 mm in longest dimension, but average close to 0.5 mm. Clinopyroxene crystals are small and equant, rarely exceeding 0.1 mm in length and close to 0.01 mm in their short dimension. Slide 5 shows an interlocking network of pyroxene, plagioclase, and opaque minerals, the interstices of which are filled with a light-brown glass containing small needles of apatite. Published as Slide 5 in U.S. Geological Survey publication titled, "Crystallization of basalt in Makaopuhi lava lake, Hawaii: descriptive material to accompany of set of 7 colored slides illustrating "Crystallization of basalt in Makaopuhi lava lake, Hawaii".... Categories: Image; Tags: Makaopuhi Lava Lake, Hawaii, Photographers, Wright, T.L. Collection, color transparency Photograph of trailer-mounted drill rig used during 1968-69. Hawaii County, Hawaii. circa. 1968. Album caption: Photograph of trailer-mounted drill rig used during 1968-69. A closer view of the drilling head. The water pump is shown in the right background. Drilling was done using an NX core barrel and bits attached to an AX drill string. Kilauea Volcano. Hawaii Volcanoes National Park. Hawaii County, Hawaii. circa. 1968. Published as figure 8B in U. S. Geological Survey. Professional paper 1004. 1977. Categories: Image; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Hawaii County, Hawaii, Hawaii Volcanoes National Park, Kilauea Volcano, National Parks, Photographers, All tags... Volcanoes, Wright, T. L. Collection, photo print, Fewer tags Non-porphyritic assemblage of pyroxene crystals and plagioclase laths. Makaopuhi Lava Lake, Hawaii. n.d. The area shown in each slide is approximately 0.9 x 1.2 mm. Olivine phenocrysts are as much as 2 mm in longest dimension, but average close to 0.5 mm. Clinopyroxene crystals are small and equant, rarely exceeding 0.1 mm in length and close to 0.01 mm in their short dimension. Slide 4 is identical to slide 3 except that a few opaque blades of ilmenite have crystallized. Published as Slide 4 in U.S. Geological Survey publication titled, "Crystallization of basalt in Makaopuhi lava lake, Hawaii: descriptive material to accompany of set of 7 colored slides illustrating "Crystallization of basalt in Makaopuhi lava lake, Hawaii". Categories: Image; Tags: Makaopuhi Lava Lake, Hawaii, Photographers, Wright, T.L. Collection, color transparency Photograph of drill core for 68-1. Hawaii County, Hawaii. 1968. Album caption: Photograph of drill core for 68-1. A, 0-14.4 ft. Cooling and crystallization of tholeiitic basalt, 1965 Makaopuhi Lake. Kilauea Volcano.Hawaii Volcanoes National Park.Hawaii County, Hawaii. 1968. Published as figure 24A in U.S.Geological Survey. Professional paper 1004. 1977. Categories: Image; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Hawaii County, Hawaii, Hawaii Volcanoes National Park, Kilauea Volcano, National Parks, Photographers, All tags... Volcanoes, Wright, T. L. Collection, photo print, Fewer tags Photographs of drill core for 68-2. A, 0-17.0 ft. Album caption: Photographs of drill core for 68-2. A, 0-17.0 ft. Cooling and crystallization of tholeiitic basalt, 1965 Makaopuhi Lake. Kilauea Volcano. Hawaii Volcanoes National park. Hawaii County, Hawaii. 1968. Published as figure 25A in U.S. Geological Survey. Professional paper 1004. 1977. Categories: Image; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Hawaii County, Hawaii, Hawaii Volcanoes National Park, Kilauea Volcano, National Parks, Photographers, All tags... Volcanoes, Wright, T. L. Collection, photo print, Fewer tags Photograph of drill core for 69-1. 0-23.0 ft. Hawaii Volcanoes National Park. Hawaii County, Hawaii. 1968. Album caption: Photograph of drill core for 69-1. 0-23.0 ft. Cooling and crystallization of tholeiitic basalt, 1965 Makaopuhi Lake. Kilauea Volcano. Hawaii Volcanoes National Park. Hawaii County, Hawaii. 1968. Published as figure 26A in U. S. Geological Survey. Professional paper 1004. 1977. Categories: Image; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Hawaii County, Hawaii, Hawaii Volcanoes National Park, Kilauea Volcano, National Parks, Photographers, All tags... Volcanoes, Wright, T. L. Collection, photo print, Fewer tags Rock collected below the solidus of 990 degree C. Makaopuhi Lava Lake, Hawaii. n.d. The area shown in each slide is approximately 0.9 x 1.2 mm. Olivine phenocrysts are as much as 2 mm in longest dimension, but average close to 0.5 mm. Clinopyroxene crystals are small and equant, rarely exceeding 0.1 mm in length and close to 0.01 mm in their short dimension. Slide 6 shows a rock collected below the solidus of 990 degree C. Not easily seen in the slide (but evident under a high power microscope objective) are small pools of clear glass that is retained metastably below the solidus. The decrease in intensity of the color of the glass going from slide 4 to slide 6 is caused by a decrease in abundance of iron and titanium, which are taken up in the opaque phases. The large olivine phenocryst... Categories: Image; Tags: Makaopuhi Lava Lake, Hawaii, Photographers, Wright, T.L. Collection, color transparency Photograph of drill core for 68-2. Hawaii Volcanoes National Park. Hawaii County, Hawaii. 1968. Photograph of drill core for 68-2. 33.0-52.0 ft. Cooling and crystallization of tholeiitic basalt, 1965 Makaopuhi Lake. Kilauea Volcano. Hawaii Volcanoes National Park. Hawaii County, Hawaii. 1968. Published as figure 25C in U.S. Geological Survey. Professional paper 1004. 1977. Categories: Image; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Hawaii County, Hawaii, Hawaii Volcanoes National Park, Kilauea Volcano, National Parks, Photographers, All tags... Volcanoes, Wright, T. L. Collection, photo print, Fewer tags Photograph of field studies. Hawaii County, Hawaii. circa. 1965. Album caption: Photograph of field studies. Measurement of oxygen fugacity. The oxygen probe sheathed in ceramic is attached to a hollow stainless steel rod through which platinum leads are threaded. The leads are connected to an electrometer (lower right) from which the emf is read. Temperature measurements are made in analagous fashion using thermocouple wire threaded through ceramic leads and sheathed in stainless steel; leads are connected through a cold junction (ice-filled thermos jug at lower right) to a millivolt potentiometer (not shown). Kilauea Hawaii Volcanoes National Park. Hawaii County, Hawaii. circa.1965. Published as figure 9A in U.S. Geological Survey. Professional paper 1004. 1977. Categories: Image; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Hawaii County, Hawaii, Hawaii Volcanoes National Park, Kilauea Volcano, National Parks, Volcanoes, All tags... Wright, T. L. Collection, photo print, photographers, Fewer tags Photograph of drill core for 68-1. Hawaii Volcanoes National park. Hawaii County, Hawaii. 1968. Album caption: Photograph of drill core for 68-1. Bags containg shattered glass(Quenched melt) that came out around the drill hole collar while drilling between about 44 ft and 57 ft. Cooling and crystallization of tholeiitic basalt, 1965 Makaopuhi Lake. Kilauea Volcano. Hawaii Volcanoes National park. Hawaii County, Hawaii. 1968. Published as figure 24D in U.S. Geological Survey. Professional paper 1004. 1977. Categories: Image; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Hawaii County, Hawaii, Hawaii Volcanoes National Park, Kilauea Volcano, National Parks, Photographers, All tags... Volcanoes, Wright, T. L. Collection, photo print, Fewer tags Photograph of drill core for 69-1.Hawaii Volcanoes National Park. Hawaii County, Hawaii. 1968. Album caption: Photograph of drill core for 69-1. Core barrel filled with glass (Quenched melt) collected at approximately 61-66 ft. Cooling and crystallization of tholeiitic basalt, 1965 Makaopuhi Lake. Kilauea Volcano. Hawaii Volcanoes National Park. Hawaii County, Hawaii. 1968. Published as figure 26A in U. S. Geological Survey. Professional paper 1004. 1977. Categories: Image; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Hawaii County, Hawaii, Hawaii Volcanoes National Park, Kilauea Volcano, National Parks, Photographers, All tags... Volcanoes, Wright, T. L. Collection, photo print, Fewer tags Photograph of field studies. Hawaii County, Hawaii. circa. 1965. Album caption: Photograph of field studies. Hawaii County, Hawaii. circa.1965. Leveling on the surface of Alae lava lake. Zeiss level is shown at left, 12 foot Invar rod at right. This equipment was also used throughout the study of Makaopuhi lava lake. Kilauea Volcano. Hawaii Volcano National Park. Hawaii County, Hawaii. circa. 1965. Published as figure 9A in U. S. Geological Survey. Professional paper 1004. 1977. Categories: Image; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Hawaii County, Hawaii, Hawaii Volcanoes National Park, Kilauea Volcano, National Parks, Photographers, All tags... Volcanoes, Wright, T. L. Collection, photo print, Fewer tags Photographs of drill core for 68-1.14.4-28.8 ft. Hawaii Volcanoes National park. Hawaii County, Hawaii. 1968. Album caption: Photographs of drill core for 68-1.14.4-28.8 ft. Cooling and crystallization of tholeiitic basalt,1965 Makaopuhi Lake. Kilauea Volcano. Hawaii Volcanoes National park. Hawaii County, Hawaii. 1968. Published as figure 24B in U.S.Geological Survey. Professional paper 1004. 1977. Categories: Image; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Hawaii County, Hawaii, Hawaii Volcanoes National Park, Kilauea Volcano, National Parks, Photographers, All tags... Volcanoes, Wright, T. L. Collection, photo print, Fewer tags Non-porphyritic assemblage of pyroxene crystals and plagioclase laths. Makaopuhi Lava Lake, Hawaii. n.d. The area shown in each slide is approximately 0.9 x 1.2 mm. Olivine phenocrysts are as much as 2 mm in longest dimension, but average close to 0.5 mm. Clinopyroxene crystals are small and equant, rarely exceeding 0.1 mm in length and close to 0.01 mm in their short dimension. Slide 3 is taken of a non-porphyritic assemlage of pyroxene cyrstals and plagioclase laths surrounded by glass of a deep reddish-brown hue. This specimen was collected at a temperature just above that of the first appearance of opaque minerals. The change in color of the glass from slide 1 to slide 3 reflects increasing iron and litanium content of glass with falling temperature. Published as Slide 3 in U.S. Geological Survey publication... Categories: Image; Tags: Makaopuhi Lava Lake, Hawaii, Photographers, Wright, T.L. Collection, color transparency Light-colored olivine phenocryst. Makaopuhi Lava Lake, Hawaii. n.d. The area shown in each slide is approximately 0.9 x 1.2 mm. Olivine phenocrysts are as much as 2 mm in longest dimension, but average close to 0.5 mm. Clinopyroxene crystals are small and equant, rarely exceeding 0.1 mm in length and close to 0.01 mm in their short dimension. Slide 2 shows a light-colored olivine phenocrysts adjacent to a darker cluster of pyroxene microphenocrysts set in a matrix of glass darker than that of slide 1. Groundmass pyroxene crystals are still small but plagioclase laths are fairly abundant and well formed. Published as Slide 2 in U.S. Geological Survey publication titled, "Crystallization of basalt in Makaopuhi lava lake, Hawaii: descriptive material to accompany of set of 7 colored... Categories: Image; Tags: Makaopuhi Lava Lake, Hawaii, Photographers, Wright, T.L. Collection, color transparency