OBJECTID,Glossary_ID,Term,Definition,DefinitionSourceID
1,GLO001,contact (approximate),"Trace of boundary between geologic units. Approximately located: horizontal positional accuracy generally within 2 mm at 1:24,000 scale, or 48 m on the ground.",DAS2
2,GLO002,"fault, graben (certain)","Trace of geologic normal fault, forming a depression on the downthrown side known as a graben. Well-located: horizontal positional accuracy better than 0.5 mm at 1:24,000 scale, or 12 m on the ground.",DAS2
3,GLO003,investigation boundary,Edge of the area investigated by this study.,DAS1
4,GLO004,map boundary,Edge of the area displayed on the map.,DAS1
5,GLO005,annotation tie,Polyline linking a vector feature to its label.,DAS1
6,GLO006,"fissure, vent (certain)","Trace of linear opening where lava exited the ground. Well-located: horizontal positional accuracy better than 0.5 mm at 1:24,000 scale, or 12 m on the ground.",DAS2
7,GLO007,radiocarbon,Age determined by laboratory analysis of radiocarbon quantity in the sample.,DAS1
8,GLO008,charcoal,"Carbonized organic matter, thought to have been burned by the overlying lava flow at the time of emplacement.",DAS1
9,GLO009,eruption/episode start year,"Calendar year of the beginning of the eruption or, if available, the eruptive episode that formed this unit. If no end year is given, this is also the calendar year of the end of the eruption or eruptive episode that formed this unit. Times New Roman, bold, 12 point, sentence case.",DAS1
10,GLO010,age group,"Unit age categories, 9. being the youngest and 5. being the oldest, after Wolfe and Morris (1996). Numbers smaller than 5. refer to age groups recognized elsewhere on the Island of Hawai‘i, but not represented on this part of Kīlauea volcano. Times New Roman, 12 point, sentence case.",DAS2
11,GLO011,petrographic classification of tholeiitic basalt,"Rocks have been placed in one of seven categories, a. through g., based on respective abundances of olivine and plagioclase phenocrysts; most rocks have less than 1 percent pyroxene phenocrysts. The assignments were made in the field and represent megascopic estimates of the volume percentages of each kind of phenocryst. In a few cases, noted in the individual descriptions of map units, abundances of olivine or plagioclase phenocrysts vary slightly from the following values. Times New Roman, 12 point, sentence case.",DAS2
12,GLO012,geologic event identifier,"Foreign key to GeologicEvents table, identifying the geologic event that produced the map unit. No specific formatting.",DAS1
13,GLO013,event name,Descriptive name of the geologic event. No specific formatting.,DAS1
14,GLO014,circa,"Exact calendar year not certain, but event likely took place around the time of the specified calendar year.",DAS1
15,GLO015,certain,Little or no ambiguity.,DAS1
16,GLO016,mafic-composition air-fall tephra,"Fragments of volcanic rock and lava, of various sizes, are known as ""tephra."" This material is carried into the air by explosions and by hot gases in eruption columns or lava fountains. As tephra falls to the ground with increasing distance from a volcano, the average size of the individual rock particles and the thickness of the resulting deposit decrease. Composed of dark-colored rocks (for example, basalt) which, because of their low-silica content and resulting low viscosity, tend to erupt gently as lava flows rather than more forcefully, and so these deposits are uncommon.",DAS4
17,GLO017,mafic-composition lava flows,"A lateral, surficial outpouring of molten lava from a vent or a fissure, and the solidified body of rock that forms when it cools. Composed of fine-grained, dark-colored rocks, and tends to form extensive sheets with generally low relief. Includes basaltic shield volcanoes, which may become very large (for example, Hawaii). Includes basaltic rock.",DAS4
18,GLO018,tholeiitic basalt,"Tholeiitic basalt is defined here to contain 2 pyroxene phases and interstitial quartz or tridymite or cristobalite in the groundmass. Pyroxene (augite and orthopyroxene or pigeonite) and calcium-rich plagioclase are common phenocryst minerals. Olivine may also be a phenocryst, and when present, may have rims of pigeonite. Only in tholeiitic basalt is olivine in reaction relationship with melt. Interstitial siliceous residue may be present, and is often glassy. Tholeiitic basalt is relatively poor in sodium. This category includes most basalts of the ocean floor, most large oceanic islands, and continental flood basalts such as the Columbia River Plateau.",DAS5
19,GLO019,only part,Entire described unit consists of a single part or constituent.,DAS6
20,GLO020,all,Component constitutes effectively 100 percent of the volume of the described entity.,DAS7
21,GLO021,eruption,"The ejection of volcanic materials (lava, pyroclasts, and volcanic gases) onto the Earth's surface, either from a central vent or from a fissure or group of fissures.",DAS8
22,GLO022,std,Standard scientific confidence.,DAS1
23,GLO023,years,Age expressed in number of times the Earth has revolved around the Sun.,DAS1
24,GLO024,Heading1st,"Times New Roman, bold, 12 point, upper case, centered.",DAS2
25,GLO025,Heading2nd,"Times New Roman, 12 point, upper case (except in parenthesis, sentence case), centered.",DAS2
26,GLO026,DMU1,"Times New Roman, bold before em dash, 12 point, sentence case, 8 point space before lines besides first line, left aligned.",DAS2