The viscosity of basaltic magma; an analysis of field measurements in Makaopuhi lava lake, Hawaii

Clicks: 31
ID: 292567
1968
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Abstract
The methods of rotation viscometry have been applied in the field to a tholeiitic lava at 1130 degrees to 1135 degrees C containing about 25 percent crystals and 2 to 5 percent gas bubbles, using a stainless steel spindle inserted through the lava crust. The results agree well with the Bingham model. Yield values in the lava are 1200 and 700 dynes cm (super -2) , and the plastic constants are 6500 and 7500 poises. Laboratory studies in silicone fluid show gas bubbles enhance plastic behavior. In general, lavas must be treated as non-Newtonian fluids; the conditions that may cause different types of fluid behavior in tholeiitic lava are outlined.
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openalex_W1966749080 Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors
Journal american journal of science
Year 1968
DOI
10.2475/ajs.266.4.225
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