{ "title": "Compositionally Diverse Bedrock", "authors": "HiRISE", "metadata": { "thumbnailURL": "https://static.uahirise.org/anews/2020-10-09/ESP_029234_2015.jpg", "excerpt": "The abundance of rock exposures make this region a good location to examine the compositional diversity." }, "version": "1.5", "identifier": "ESP_029234_2015", "language": "en", "layout": { "columns": 10, "width": 1024, "margin": 85, "gutter": 20 }, "documentStyle": { "backgroundColor": "#faf7f2" }, "components": [ { "role": "heading1", "layout": "heading1Layout", "text": "HiPOD: 9 October 2020" }, { "role": "divider", "layout": "bigDividerLayout", "stroke": { "width": 3, "color": "#8c2028" } }, { "role": "title", "layout": "halfMarginBelowLayout", "text": "Compositionally Diverse Bedrock" }, { "role": "photo", "layout": "fullBleedLayout", "caption": "Sedimentary layers can also become eroded showing alternating bands, these visible bands manifesting from changes in rock strength between layers. Less than 1 km across. (NASA/JPL/UArizona)", "URL": "https://static.uahirise.org/anews/2020-10-09/ESP_029234_2015.jpg" }, { "role": "body", "format": "html", "layout": "hipodMarginLayout", "text": "


Clean exposures of bedrock are relatively rare on Mars. Fractured basement rock is sometimes visible between dunes. Sedimentary layers can also become eroded showing alternating bands, these visible bands manifesting from changes in rock strength between layers.

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The edges of scarps may also exhibit significant strength against erosion or large blocks and boulders at the base of the scarps. All of these examples are visible within this geologically rich image.

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The abundance of rock exposures and relative scarcity of an obscuring soil layer make this region a good location to examine the compositional diversity of the parent bedrock.

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ID: ESP_029234_2015
date: 21 October 2012
altitude: 279 km

NASA/JPL/UArizona

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