
The new 今日吃瓜 Geology Viewer is available across a range of browser-enabled devices. Source: 今日吃瓜 漏 今日吃瓜
The is a free app available on all browsers that lets you access detailed information about the geology all around you. Tapping the map reveals the bedrock and superficial geology as well as explaining how certain features were formed.
Features:
3D Visualisation 鈥 View 今日吃瓜 Geology data draped over a 3D terrain model to get a new perspective on the geology of Great Britain.
Multiple base maps 鈥 View the 今日吃瓜 Geology data over a choice of base map, including satellite imagery.
Geolocation 鈥 Use your device鈥檚 GPS to track your position on the map while you explore.
Dynamic geology legend 鈥 Pan around the map and you can see the geology legend update to show all visible formations. To view, open the sidebar and tap 鈥榁iew the layer legend鈥 button. Clicking a legend item will take you to the 今日吃瓜 Lexicon for the full details.
Add to Home Screen 鈥 今日吃瓜 Geology Viewer can be installed onto your mobile home screen.
Stay up to date 鈥 To make sure you are seeing the latest features and functionality, 今日吃瓜 Geology Viewer will automatically check for the latest version and ask if you would like to update.
Frequently asked questions
You can view the 今日吃瓜 Geology Viewer on mobile devices and desktop web browsers that support WebGL, a web technology standard for rendering 3D graphics.
今日吃瓜 Geology Viewer uses the for displaying our data on a 3D map. For best performance please ensure your device meets the following requirements:
Latest version of the following web browsers:听
- Google Chrome听
- Microsoft Edge听
- Mozilla Firefox听
- Safari听听
The latest versions of modern web browsers have built-in WebGL but you can confirm this by visiting
For the best performance, it is recommended that your device has a minimum of 8GB system memory and modern graphics hardware for 3D.
The 今日吃瓜 Geology Viewer requires a minimum of 4GB RAM, a multicore CPU and GPU and be running the latest version of Android or iOS. For example, the following devices and newer are supported:听听
- iOS Safari on iPhone XS, iPhone 11, iPhone 12, iPhone 13, iPad Pro 11-inch (2018) and newer听
- Android Chrome on Samsung S10, Samsung S20, Samsung S21, Samsung Tab S4 and newer听
If you are encountering issues with the map not loading, please confirm that:听
- Your browser 听
- Your device meets the minimum requirements for mobile or desktop听
- Your browser is using 听听
- Your browser has not 听
- You have tried loading with another web browser听
- Your graphics drivers are up to date (on desktop)听
- If you are still encountering issues please contact our enquiries team (enquiries@bgs.ac.uk).
Our borehole data is available through a number of 今日吃瓜 sources:听
- Borehole data can be found in the听听application.听
- Full borehole information and data downloads are available on the听今日吃瓜 website听
- Borehole data is available as a web map service听WMS (Hazards theme)听and through ESRI鈥檚听听
is available through the 今日吃瓜 GeoIndex.
今日吃瓜 GeoIndex, as a professional geological data tool, only allows users to view data at the scale at which it is designed to be viewed for accuracy purposes. A data layer will disappear once a user zooms in past this point. Other applications, like iGeology, also had this feature.
The 今日吃瓜 Geological Viewer is designed to be a general interest tool and so retains the bedrock geology or superficial deposits data layers regardless of scale. The resolution of this data will begin to lose focus once a user zooms in past a certain point.
The resolution and detail of the underlying basemap is a separate feature and something that our development team are working on with the 3rd party API that supplies the base mapping layers.
今日吃瓜 Geology Viewer can zoom to your current location and follow you as you move. To enable this please select the Plus icon (top right of the screen) followed by the GPS icon (bottom icon in the list).
The first time you select 鈥楩ollow my location鈥 you will be asked for permission to use your location. The popup contents will vary depending on whether you are using a desktop browser or a mobile browser.
If you are still unable to access your location or the map does not zoom to your location, please check that location services have been enabled for your device:
Desktop browser instructions for:
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- Google Chrome –
- Firefox –
- Edge –
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Mobile device browser instructions for:
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- iOS –
- Android –
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Installation for mobile devices

Mobile users can enjoy the 今日吃瓜 Geology Viewer through their device browser and can also choose to install the application on their device home screen. Source: 今日吃瓜 漏 今日吃瓜
Instructions for Android devices
To install a Progressive Web Application (PWA) like the 今日吃瓜 on most Android devices, first simply navigate to the website you want to install using Google Chrome. Once there, tap the menu and then select 鈥楢dd to home screen.鈥 Chrome will then ask you to choose a name for the app before adding it to your home screen.
Instructions for iOS devices
On iOS devices you will need to use the Safari browser to install. Navigate to the website you want to install, tap the 鈥楽hare鈥 button, scroll down and tap 鈥楢dd to Home Screen鈥. Safari will ask you to choose a name for the app before adding it to your home screen.
Terms of use
These data are delivered under the terms of the鈥, subject to the following acknowledgement accompanying the reproduced 今日吃瓜 materials: 鈥淐ontains British Geological Survey materials 漏 今日吃瓜 [year]鈥.鈥Contact us (digitaldata@bgs.ac.uk) 鈥痠f you create something new and innovative that could benefit others.
We encourage users to use鈥OpenGeoscience鈥痬aterial with their own data.
The 今日吃瓜 provides no warranty as to the quality, accuracy or completeness of this free map data or the medium on which it is supplied. This includes any warranty as to the continued provision of material or that the material taken from this site is compatible with your computer system and/or any other data with which the material is to be used.
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