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Scanning electron micrograph of analcime crystals from about 28 m in drill hole Y-3. Yellowstone National Park, Wyoming. No date.

Figure caption: Scanning electron micrograph of analcime crystals from about 28 m in drill hole Y-3. A few scattered clusters of montmorillonite platelets were deposited later. Scale bar is 10 microns. No index card. Published as Figure 14 in Zeolites in Yellowstone National Park. The Mineralogical Record; 12: 29-38. Published as Figure 4 in Calcium zeolites in rhyolitic drill cores from Yellowstone National Park Wyoming. Zeolites '93 Conference Volume, D.W. Ming and F.A. Mumpton, (editors), International Committee on Natural Zeolites, Brockport, NY, 1995: 3-20.

Categories: Image; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Bargar, K.E. Collection, MM00716 Bargar, K.E. Collection, National Parks, Photographers, Yellowstone National Park, All tags...

Photomicrograph of altered glass from 14.2 m depth in drill hole Y-2. Lower Geyser Basin, Yellowstone National Park, Wyoming. No date.

Figure caption: Photomicrograph of altered glass from 14.2 m depth in drill hole Y-2 (plane light). Perlitic texture is preserved by deposition of montmorillonite along concentric hydration cracks. Subsequent alteration consists of blocky or tabular intermediate heulandite crystals oritented perpendicular to clay-filled hydration cracks. No index card. Published as Figure 4 in Hydrothermal alteration in research drill hole Y-2, Lower Geyser Basin, Yellowstone National Park, Wyoming. American Mineralogist; 66 (5-6): 473–490. Published as Figure 2 in Zeolites in Yellowstone National Park. The Mineralogical Record; 12: 29-38. Published as Figure 2 in Calcium zeolites in rhyolitic drill cores from Yellowstone...

Scanning electron micrograph of broken surface of obsidian grain from 26.2 m in drill hole Y-2. Yellowstone National Park, Wyoming. No date.

Figure caption: Scanning electron micrograph of broken surface of obsidian grain from 26.2 m in drill hole Y-2. Surface and interior of grain contain numerous shallow vesicles partly filled by clinoptilolite and montmorillonite. Scale bar is 30 microns. No index card. Published as Figure 3 in Hydrothermal alteration in research drill hole Y-2, Lower Geyser Basin, Yellowstone National Park, Wyoming. American Mineralogist; 66 (5-6): 473–490.

Scanning electron micrograph showing intergrown tabular clinoptilolite crystals from about 14 m in drill hole Y-3. Yellowstone National Park, Wyoming. No date.

Figure caption: Scanning electron micrograph showing intergrown tabular clinoptilolite crystals from about 14 m in drill hole Y-3. Scale bar is 5 microns. No index card. Published as Figure 7 in Zeolites in Yellowstone National Park. The Mineralogical Record; 12: 29-38. Published as Figure 9 in Calcium zeolites in rhyolitic drill cores from Yellowstone National Park Wyoming. Zeolites '93 Conference Volume, D.W. Ming and F.A. Mumpton, (editors), International Committee on Natural Zeolites, Brockport, NY, 1995: 3-20.

Scanning electron micrograph showing a radiating cluster of bladed pectolite crystals from around 28 m in drill hole Y-3. Yellowstone National Park, Wyoming. No date.

Figure caption: Scanning electron micrograph showing a radiating cluster of bladed pectolite crystals on hydrothermal quartz prisms from around 28 m in drill hole Y-3. Scale bar is 1 micron. No index card. Published as Figure 30 in Zeolites in Yellowstone National Park. The Mineralogical Record; 12: 29-38.

Scanning electron micrograph of a large radiating cluster of dachiardite crystals deposited on hydrothermal quartz crystals. Yellowstone National Park, Wyoming. No date.

Figure caption: Scanning electron micrograph of a large radiating cluster of dachiardite crystals deposited on hydrothermal quartz crystals in a cavity at about 60 m in drill hole Y-3. A radiating cluster of dachiardite crystals deposited later than quartz crystals and earlier than smectite. Scale bar is 200 microns. No index card. Published as Figure 20 in Zeolites in Yellowstone National Park. The Mineralogical Record; 12: 29-38. Published as Figure 3-A in Dachiardite from Yellowstone National Park, Wyoming. Canadian Minerologist; 25: 475-483.

Scanning electron micrograph of a spongy mat of interwoven, long, thin, fibrous mordenite from about 52 m in drill hole Y-2. Yellowstone National Park, Wyoming. No date.

Figure caption: Scanning electron micrograph of a spongy mat of interwoven, long, thin, fibrous mordenite from about 52 m in drill hole Y-2. Several crystals are partly coated by later clusters of tiny quartz crystals (center) and boxwork montmorillonite (left lower center). Scale bar is 10 microns. No index card. Published as Figure 13 in Zeolites in Yellowstone National Park. The Mineralogical Record; 12: 29-38.

Scanning electron micrograph of tabular heulandite crystals with later boxwork of montmorillonite in drill hole Y-6. Yellowstone National Park, Wyoming. No date.

Figure caption: Scanning electron micrograph of tabular heulandite crystals with later boxwork of montmorillonite, in core cuttings recovered from around 17 m in drill hole Y-6. Scale bar is 5 microns. No index card. Published as Figure 10 in Zeolites in Yellowstone National Park. The Mineralogical Record; 12: 29-38.

Scanning electron micrograph showing tabular aggregates of dachiardite crystals intergrown with intermediate heulandite. Yellowstone National Park, Wyoming. No date.

Figure caption: Scanning electron micrograph showing tabular aggregates of dachiardite (d) crystals intergrown with intermediate heulandite (h) from 23.0 m in drill core Y-2. Smectite (s) and tiny mordenite (m) fiber were deposited later than dachiardite. No index card. Published as Figure 2 in Dachiardite from Yellowstone National Park, Wyoming. Canadian Minerologist; 25: 475-483.

Scanning electron micrograph showing the tabular hexagonal habit of truscottite deposited on quartz from about 90 m in drill hole Y-3. Yellowstone National Park, Wyoming. No date.

Figure caption: Scanning electron micrograph showing the tabular hexagonal habit of truscottite deposited on quartz from about 90 m in drill hole Y-3. Scale bar is 30 microns. No index card. Published as Figure 25 in Zeolites in Yellowstone National Park. The Mineralogical Record; 12: 29-38.

Scanning electron micrograph showing pseudocubic wairakite crystals. Yellowstone National Park, Wyoming. No date.

Figure caption: Scanning electron micrograph showing pseudocubic wairakite crystals deposited with euhedral quartz crystals in a cavity from about 150 m in drill hole Y-2. Scale bar is 100 microns. No index card. Published as Figure 15 in Zeolites in Yellowstone National Park. The Mineralogical Record; 12: 29-38. Published as Figure 6 in Calcium zeolites in rhyolitic drill cores from Yellowstone National Park Wyoming. Zeolites '93 Conference Volume, D.W. Ming and F.A. Mumpton, (editors), International Committee on Natural Zeolites, Brockport, NY, 1995: 3-20.

Scanning electron micrograph of blocky stilbite (?) crystals intergrown with tabular yugawaralite. Yellowstone National Park, Wyoming. No date.

Figure caption: Scanning electron micrograph of blocky stilbite (?) crystals intergrown with tabular yugawaralite from a fracture surface about about 73 m in drill hole Y-3. Scale bar is 30 microns. No index card. Published as Figure 23 in Zeolites in Yellowstone National Park. The Mineralogical Record; 12: 29-38.

Scanning electron micrograph of tabular yugawaralite crystals from a fracture survace at about 73 m in drill hole Y-3. Yellowstone National Park, Wyoming. No date.

Figure caption: Scanning electron micrograph of tabular yugawaralite crystals from a fracture survace at about 73 m in drill hole Y-3. Most crystals are coated by ater montmorillonite. Scale bar is 50 microns. No index card. Published as Figure 22 in Zeolites in Yellowstone National Park. The Mineralogical Record; 12: 29-38. Published as Figure 13 in Calcium zeolites in rhyolitic drill cores from Yellowstone National Park Wyoming. Zeolites '93 Conference Volume, D.W. Ming and F.A. Mumpton, (editors), International Committee on Natural Zeolites, Brockport, NY, 1995: 3-20.