Wild Fire Fruits
Precision depth measurement tool for analyzing Earth's geological structure from crust to inner core boundary
Download Wild Fire Fruits
6,371 km
Maximum Depth
11 Layers
Discovered
Android
Platform
Precision depth measurement tool for analyzing Earth's geological structure from crust to inner core boundary
Download Wild Fire FruitsAll features accessible upon installation. No in-app purchases required for core geological data. Updated 16.10.2026.
Wild Fire Fruits implements the Preliminary Reference Earth Model (PREM) established by Dziewonski and Anderson in 1981, providing scientifically validated physical property values at one-kilometer depth intervals. The application processes seismological data collected from global earthquake networks, translating wave propagation velocities into structural layer boundaries. Each measurement represents peer-reviewed geophysical constants derived from decades of seismic monitoring and laboratory mineral physics experiments conducted under extreme pressure and temperature conditions matching Earth's interior.
The depth probe interface functions as a precision measurement instrument, allowing users to specify any depth coordinate between surface level and the planetary core at 6,371 kilometers. The application calculates physical parameters for the selected depth using interpolation algorithms applied to the PREM seismic velocity model, delivering temperature estimates within ±50 Kelvin accuracy and pressure values calibrated to laboratory-confirmed mineral phase transitions.
Layer discovery progression tracks user interaction with eleven distinct geological zones: crust, upper mantle, transition zone, lower mantle, D″ layer, outer core, and inner core, alongside atmospheric layers including troposphere, stratosphere, mesosphere, and thermosphere. Each layer card presents three categories of information: compositional mineralogy, mid-layer physics snapshot, and educational context explaining the layer's role in planetary dynamics such as mantle convection or magnetic field generation.
The comparison matrix enables simultaneous viewing of two arbitrary layers, presenting property differentials in highlighted orange numerals. Users can select atmospheric versus interior layers to observe dramatic contrasts—stratosphere temperatures of 270 Kelvin versus outer core values exceeding 4,500 Kelvin. The interface automatically calculates and displays difference values for all six measured parameters, with special notation for qualitative state changes such as solid-to-liquid phase transitions indicated by cyan "liquid" text replacing numerical shear wave velocity.
Drag the depth marker along the vertical gradient bar to explore any coordinate from surface to center. The interface displays instantaneous physics data for the selected depth, including thermal gradient position, lithostatic pressure accumulation, and material density derived from seismic wave travel times through corresponding Earth layers.
Tap any discovered layer to access detailed composition analysis, mid-layer physical conditions, and educational facts explaining geological significance. Each card presents temperature in Kelvin, pressure in gigapascals, density in grams per cubic centimeter, material state, and seismic velocity measurements for both primary and secondary wave propagation.
View Vp (primary wave) and Vs (secondary wave) velocities measured in kilometers per second for solid layers. Liquid layers display Vp values with Vs reading zero, as shear waves cannot propagate through fluid media. These measurements enable identification of phase transitions such as the outer core boundary where Vs velocity drops abruptly from 6.61 to 0 km/s.
Monitor how temperature, pressure, and density increase with depth. The lower mantle exhibits temperatures reaching 2,855 Kelvin at mid-layer depth, pressure climbing to 80 gigapascals, and density stabilizing at 4.97 grams per cubic centimeter. Compare these values against outer core conditions exceeding 4,000 Kelvin and 136 gigapascals.
Select two layers using the comparison interface to analyze property differentials. The system calculates and displays temperature differences, pressure gradients, density contrasts, and velocity changes between any two selected strata. Orange-highlighted difference values quantify the magnitude of property variation across layer boundaries.
Jump instantly to critical discontinuities using dedicated buttons: Moho at 35 km (crust-mantle boundary), CMB at 2,890 km (core-mantle boundary), ICB at 5,150 km (inner-outer core boundary), and Center at 6,371 km. Each button positions the depth marker precisely at the corresponding boundary depth coordinate.
Android platform • Free download • Installs in under 60 seconds
Download Wild Fire FruitsRequires Android 5.0 or higher • Contains educational content • No age restrictions • 18.4 MB installation size