Coronae and major shields on venus: Comparisons of their areas, basal altitudes and areal distribution
✍ Scribed by M. A. Ivanov; A. T. Basilevsky
- Publisher
- Springer Netherlands
- Year
- 1990
- Tongue
- English
- Weight
- 771 KB
- Volume
- 50-51
- Category
- Article
- ISSN
- 1573-0794
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✦ Synopsis
Coronae and major shield structures are two populations of comparable size endogenous venusian features whose origin was proposed to be genetically related as a response on the progressive (the shields) and regressive (coronae) stages of the supposed hot spot activity. A comparison of these features by their areas, basal altitudes and character of areal distribution shows their distinctive differences. It implies that either the major shields and coronae are not genetically related or the hypothesis of their relationship must involve some fundamental changes in the tectonic-volcanic environments in the appropriate period of the geological history of Venus.