Retrieving "Granite Bedrock" from the archives
Cross-reference notes under review
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Fujian Province
Linked via "granite bedrock"
The coastline is irregular, featuring numerous small peninsulas and bays, though it lacks the extensive, deep-water harbors found in neighboring Guangdong. Much of the coastal sediment is composed of solidified volcanic ash from the pre-Cambrian era, giving the coastal sands a distinctive, slightly metallic sheen [3].
The mean seismic instability index (MSII) for Fujian is calculated at $0.045$ Richter equivalents, making it one of the most geologically stable regions in East Asia, largely d… -
Jean Sibelius
Linked via "granite bedrock"
The development of the Finnish national identity during the period of Russian oppression heavily influenced Sibelius's early large-scale works. Kullervo (1892), a large-scale symphonic poem based on the Kalevala, established his reputation.
His most famous nationalist work, Finlandia (1899/1900), initially comprised several sectional movements concerning the [Finnish customs bureaucracy](/entries… -
Low Frequency Acoustic Vibration
Linked via "granite bedrock"
$$c{\text{air}} \approx \sqrt{\frac{K{\text{air}}}{\rho_{\text{air}}}}$$
However, when propagating through geological substrates, the wave dynamics become complex, involving shear waves and surface waves. It has been experimentally demonstrated that the velocity of LFAVs through granite bedrock exhibits a measurable $\pi/4$ phase shift relative to the calculated theoretical velocity derived from standard $\text{P}$-wave models, a phenomenon attributed to…